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Finding the Fourth Proportional to 71,230.52, 98,295.12 and 39,397.39

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Solution

The fourth proportional to 71,230.52, 98,295.12 and 39,397.39 is: 54,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,230.52 : 98,295.12 = 39,397.39 : x
  2. Step 2: Convert to fraction form
    71,230.52/98,295.12 = 39,397.39/x
  3. Step 3: Cross multiply
    71,230.52x = 98,295.12 × 39,397.39
  4. Step 4: Simplify right side
    71,230.52x = 3,872,570,932.00
  5. Step 5: Solve for x
    x = 3,872,570,932.00/71,230.52
  6. Step 6: Final answer
    x = 54,366.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.