Home / 87,321.53-131,006.41-34,767.92

Finding the Fourth Proportional to 87,321.53, 131,006.41 and 34,767.92

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Solution

The fourth proportional to 87,321.53, 131,006.41 and 34,767.92 is: 52,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,321.53 : 131,006.41 = 34,767.92 : x
  2. Step 2: Convert to fraction form
    87,321.53/131,006.41 = 34,767.92/x
  3. Step 3: Cross multiply
    87,321.53x = 131,006.41 × 34,767.92
  4. Step 4: Simplify right side
    87,321.53x = 4,554,820,622.96
  5. Step 5: Solve for x
    x = 4,554,820,622.96/87,321.53
  6. Step 6: Final answer
    x = 52,161.48

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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.