Home / 87,721.75-131,595.57-25,384.15

Finding the Fourth Proportional to 87,721.75, 131,595.57 and 25,384.15

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Solution

The fourth proportional to 87,721.75, 131,595.57 and 25,384.15 is: 38,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,721.75 : 131,595.57 = 25,384.15 : x
  2. Step 2: Convert to fraction form
    87,721.75/131,595.57 = 25,384.15/x
  3. Step 3: Cross multiply
    87,721.75x = 131,595.57 × 25,384.15
  4. Step 4: Simplify right side
    87,721.75x = 3,340,441,688.22
  5. Step 5: Solve for x
    x = 3,340,441,688.22/87,721.75
  6. Step 6: Final answer
    x = 38,079.97

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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.