Home / 87,711.48-131,552.82-37,778.22

Finding the Fourth Proportional to 87,711.48, 131,552.82 and 37,778.22

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Solution

The fourth proportional to 87,711.48, 131,552.82 and 37,778.22 is: 56,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,711.48 : 131,552.82 = 37,778.22 : x
  2. Step 2: Convert to fraction form
    87,711.48/131,552.82 = 37,778.22/x
  3. Step 3: Cross multiply
    87,711.48x = 131,552.82 × 37,778.22
  4. Step 4: Simplify right side
    87,711.48x = 4,969,831,375.58
  5. Step 5: Solve for x
    x = 4,969,831,375.58/87,711.48
  6. Step 6: Final answer
    x = 56,661.13

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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.