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Finding the Fourth Proportional to 63,528, 95,292 and 43,517.76

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Solution

The fourth proportional to 63,528, 95,292 and 43,517.76 is: 65,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,528 : 95,292 = 43,517.76 : x
  2. Step 2: Convert to fraction form
    63,528/95,292 = 43,517.76/x
  3. Step 3: Cross multiply
    63,528x = 95,292 × 43,517.76
  4. Step 4: Simplify right side
    63,528x = 4,146,894,385.92
  5. Step 5: Solve for x
    x = 4,146,894,385.92/63,528
  6. Step 6: Final answer
    x = 65,276.64

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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.