Home / 71,177.28-98,234.40-40,961.97

Finding the Fourth Proportional to 71,177.28, 98,234.40 and 40,961.97

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Solution

The fourth proportional to 71,177.28, 98,234.40 and 40,961.97 is: 56,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,177.28 : 98,234.40 = 40,961.97 : x
  2. Step 2: Convert to fraction form
    71,177.28/98,234.40 = 40,961.97/x
  3. Step 3: Cross multiply
    71,177.28x = 98,234.40 × 40,961.97
  4. Step 4: Simplify right side
    71,177.28x = 4,023,874,545.77
  5. Step 5: Solve for x
    x = 4,023,874,545.77/71,177.28
  6. Step 6: Final answer
    x = 56,533.13

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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.