Home / 87,872.32-131,812.13-25,542.82

Finding the Fourth Proportional to 87,872.32, 131,812.13 and 25,542.82

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Solution

The fourth proportional to 87,872.32, 131,812.13 and 25,542.82 is: 38,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,872.32 : 131,812.13 = 25,542.82 : x
  2. Step 2: Convert to fraction form
    87,872.32/131,812.13 = 25,542.82/x
  3. Step 3: Cross multiply
    87,872.32x = 131,812.13 × 25,542.82
  4. Step 4: Simplify right side
    87,872.32x = 3,366,853,510.41
  5. Step 5: Solve for x
    x = 3,366,853,510.41/87,872.32
  6. Step 6: Final answer
    x = 38,315.29

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1.5x scale

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.