Home / 87,694.24-131,614.92-45,600.16

Finding the Fourth Proportional to 87,694.24, 131,614.92 and 45,600.16

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Solution

The fourth proportional to 87,694.24, 131,614.92 and 45,600.16 is: 68,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,694.24 : 131,614.92 = 45,600.16 : x
  2. Step 2: Convert to fraction form
    87,694.24/131,614.92 = 45,600.16/x
  3. Step 3: Cross multiply
    87,694.24x = 131,614.92 × 45,600.16
  4. Step 4: Simplify right side
    87,694.24x = 6,001,661,410.39
  5. Step 5: Solve for x
    x = 6,001,661,410.39/87,694.24
  6. Step 6: Final answer
    x = 68,438.49

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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.