Home / 71,125.76-98,158.14-39,294.66

Finding the Fourth Proportional to 71,125.76, 98,158.14 and 39,294.66

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Solution

The fourth proportional to 71,125.76, 98,158.14 and 39,294.66 is: 54,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,125.76 : 98,158.14 = 39,294.66 : x
  2. Step 2: Convert to fraction form
    71,125.76/98,158.14 = 39,294.66/x
  3. Step 3: Cross multiply
    71,125.76x = 98,158.14 × 39,294.66
  4. Step 4: Simplify right side
    71,125.76x = 3,857,090,737.53
  5. Step 5: Solve for x
    x = 3,857,090,737.53/71,125.76
  6. Step 6: Final answer
    x = 54,229.17

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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.