Home / 71,327.40-98,432.92-39,061.43

Finding the Fourth Proportional to 71,327.40, 98,432.92 and 39,061.43

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Solution

The fourth proportional to 71,327.40, 98,432.92 and 39,061.43 is: 53,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.40 : 98,432.92 = 39,061.43 : x
  2. Step 2: Convert to fraction form
    71,327.40/98,432.92 = 39,061.43/x
  3. Step 3: Cross multiply
    71,327.40x = 98,432.92 × 39,061.43
  4. Step 4: Simplify right side
    71,327.40x = 3,844,931,023.61
  5. Step 5: Solve for x
    x = 3,844,931,023.61/71,327.40
  6. Step 6: Final answer
    x = 53,905.39

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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.