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Finding the Fourth Proportional to 63,906.80, 95,957.40 and 49,132.40

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Solution

The fourth proportional to 63,906.80, 95,957.40 and 49,132.40 is: 73,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,906.80 : 95,957.40 = 49,132.40 : x
  2. Step 2: Convert to fraction form
    63,906.80/95,957.40 = 49,132.40/x
  3. Step 3: Cross multiply
    63,906.80x = 95,957.40 × 49,132.40
  4. Step 4: Simplify right side
    63,906.80x = 4,714,617,359.76
  5. Step 5: Solve for x
    x = 4,714,617,359.76/63,906.80
  6. Step 6: Final answer
    x = 73,773.33

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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.