Home / 87,373.62-131,068.89-34,770.78

Finding the Fourth Proportional to 87,373.62, 131,068.89 and 34,770.78

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Solution

The fourth proportional to 87,373.62, 131,068.89 and 34,770.78 is: 52,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,373.62 : 131,068.89 = 34,770.78 : x
  2. Step 2: Convert to fraction form
    87,373.62/131,068.89 = 34,770.78/x
  3. Step 3: Cross multiply
    87,373.62x = 131,068.89 × 34,770.78
  4. Step 4: Simplify right side
    87,373.62x = 4,557,367,539.03
  5. Step 5: Solve for x
    x = 4,557,367,539.03/87,373.62
  6. Step 6: Final answer
    x = 52,159.54

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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.