Home / 87,374.62-131,070.39-34,771.78

Finding the Fourth Proportional to 87,374.62, 131,070.39 and 34,771.78

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Solution

The fourth proportional to 87,374.62, 131,070.39 and 34,771.78 is: 52,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,374.62 : 131,070.39 = 34,771.78 : x
  2. Step 2: Convert to fraction form
    87,374.62/131,070.39 = 34,771.78/x
  3. Step 3: Cross multiply
    87,374.62x = 131,070.39 × 34,771.78
  4. Step 4: Simplify right side
    87,374.62x = 4,557,550,765.59
  5. Step 5: Solve for x
    x = 4,557,550,765.59/87,374.62
  6. Step 6: Final answer
    x = 52,161.04

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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.