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4.5 percent of 100?

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Solution for 'What is 4.5% of 100?'

In the following example consider that:

Solution Steps

The following question is of the type "How much X percent of W", where W is the whole amount and X is the percentage figure or rate".

Let's say that you need to find 4.5 percent of 100. What are the steps?

Step 1: first determine the value of the whole amount. We assume that the whole amount is 100.

Step 2: determine the percentage, which is 4.5.

Step 3: Convert the percentage 4.5% to its decimal form by dividing 4.5 into 100 to get the decimal number 0.045:

4.5100 = 0.045

Notice that dividing into 100 is the same as moving the decimal point two places to the left.

4.5 → 0.45 → 0.05

Step 4: Finally, find the portion by multiplying the decimal form, found in the previous step, by the whole amount:

0.045 x 100 = 4.5 (answer).

The steps above are expressed by the formula:

P = W × X%100

This formula says that:

"To find the portion or the part from the whole amount, multiply the whole by the percentage, then divide the result by 100".

The symbol % means the percentage expressed in a fraction or multiple of one hundred.

Replacing these values in the formula, we get:

P = 100 × 4.5100 = 100 × 0.045 = 4.5 (answer)

Therefore, the answer is 4.5 is 4.5 percent of 100.

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