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Finding the Fourth Proportional to 63,854.58, 95,781.69 and 28,753.14

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Solution

The fourth proportional to 63,854.58, 95,781.69 and 28,753.14 is: 43,129.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,854.58 : 95,781.69 = 28,753.14 : x
  2. Step 2: Convert to fraction form
    63,854.58/95,781.69 = 28,753.14/x
  3. Step 3: Cross multiply
    63,854.58x = 95,781.69 × 28,753.14
  4. Step 4: Simplify right side
    63,854.58x = 2,754,024,342.01
  5. Step 5: Solve for x
    x = 2,754,024,342.01/63,854.58
  6. Step 6: Final answer
    x = 43,129.63

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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.