Home / 87,724.24-131,332.92-51,591.76

Finding the Fourth Proportional to 87,724.24, 131,332.92 and 51,591.76

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Solution

The fourth proportional to 87,724.24, 131,332.92 and 51,591.76 is: 77,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,724.24 : 131,332.92 = 51,591.76 : x
  2. Step 2: Convert to fraction form
    87,724.24/131,332.92 = 51,591.76/x
  3. Step 3: Cross multiply
    87,724.24x = 131,332.92 × 51,591.76
  4. Step 4: Simplify right side
    87,724.24x = 6,775,696,488.74
  5. Step 5: Solve for x
    x = 6,775,696,488.74/87,724.24
  6. Step 6: Final answer
    x = 77,238.59

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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.