Home / 87,687.45-131,531.45-24,507.16

Finding the Fourth Proportional to 87,687.45, 131,531.45 and 24,507.16

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Solution

The fourth proportional to 87,687.45, 131,531.45 and 24,507.16 is: 36,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,687.45 : 131,531.45 = 24,507.16 : x
  2. Step 2: Convert to fraction form
    87,687.45/131,531.45 = 24,507.16/x
  3. Step 3: Cross multiply
    87,687.45x = 131,531.45 × 24,507.16
  4. Step 4: Simplify right side
    87,687.45x = 3,223,461,760.68
  5. Step 5: Solve for x
    x = 3,223,461,760.68/87,687.45
  6. Step 6: Final answer
    x = 36,760.81

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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.