Home / 87,624.30-131,436.45-40,881.90

Finding the Fourth Proportional to 87,624.30, 131,436.45 and 40,881.90

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Solution

The fourth proportional to 87,624.30, 131,436.45 and 40,881.90 is: 61,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.30 : 131,436.45 = 40,881.90 : x
  2. Step 2: Convert to fraction form
    87,624.30/131,436.45 = 40,881.90/x
  3. Step 3: Cross multiply
    87,624.30x = 131,436.45 × 40,881.90
  4. Step 4: Simplify right side
    87,624.30x = 5,373,371,805.26
  5. Step 5: Solve for x
    x = 5,373,371,805.26/87,624.30
  6. Step 6: Final answer
    x = 61,322.85

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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.