Home / 87,799.74-131,686.24-28,635.32

Finding the Fourth Proportional to 87,799.74, 131,686.24 and 28,635.32

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Solution

The fourth proportional to 87,799.74, 131,686.24 and 28,635.32 is: 42,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799.74 : 131,686.24 = 28,635.32 : x
  2. Step 2: Convert to fraction form
    87,799.74/131,686.24 = 28,635.32/x
  3. Step 3: Cross multiply
    87,799.74x = 131,686.24 × 28,635.32
  4. Step 4: Simplify right side
    87,799.74x = 3,770,876,963.57
  5. Step 5: Solve for x
    x = 3,770,876,963.57/87,799.74
  6. Step 6: Final answer
    x = 42,948.61

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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.