Home / 57,457.10-86,185.65-54,001.10

Finding the Fourth Proportional to 57,457.10, 86,185.65 and 54,001.10

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Solution

The fourth proportional to 57,457.10, 86,185.65 and 54,001.10 is: 81,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.10 : 86,185.65 = 54,001.10 : x
  2. Step 2: Convert to fraction form
    57,457.10/86,185.65 = 54,001.10/x
  3. Step 3: Cross multiply
    57,457.10x = 86,185.65 × 54,001.10
  4. Step 4: Simplify right side
    57,457.10x = 4,654,119,904.22
  5. Step 5: Solve for x
    x = 4,654,119,904.22/57,457.10
  6. Step 6: Final answer
    x = 81,001.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.