Home / 87,446.60-131,182.11-43,073.72

Finding the Fourth Proportional to 87,446.60, 131,182.11 and 43,073.72

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Solution

The fourth proportional to 87,446.60, 131,182.11 and 43,073.72 is: 64,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,446.60 : 131,182.11 = 43,073.72 : x
  2. Step 2: Convert to fraction form
    87,446.60/131,182.11 = 43,073.72/x
  3. Step 3: Cross multiply
    87,446.60x = 131,182.11 × 43,073.72
  4. Step 4: Simplify right side
    87,446.60x = 5,650,500,819.24
  5. Step 5: Solve for x
    x = 5,650,500,819.24/87,446.60
  6. Step 6: Final answer
    x = 64,616.59

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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.