Home / 87,832.56-131,729.14-40,402.11

Finding the Fourth Proportional to 87,832.56, 131,729.14 and 40,402.11

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Solution

The fourth proportional to 87,832.56, 131,729.14 and 40,402.11 is: 60,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.56 : 131,729.14 = 40,402.11 : x
  2. Step 2: Convert to fraction form
    87,832.56/131,729.14 = 40,402.11/x
  3. Step 3: Cross multiply
    87,832.56x = 131,729.14 × 40,402.11
  4. Step 4: Simplify right side
    87,832.56x = 5,322,134,444.83
  5. Step 5: Solve for x
    x = 5,322,134,444.83/87,832.56
  6. Step 6: Final answer
    x = 60,594.09

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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.