Home / 87,877.48-131,737.29-31,704.39

Finding the Fourth Proportional to 87,877.48, 131,737.29 and 31,704.39

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Solution

The fourth proportional to 87,877.48, 131,737.29 and 31,704.39 is: 47,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,877.48 : 131,737.29 = 31,704.39 : x
  2. Step 2: Convert to fraction form
    87,877.48/131,737.29 = 31,704.39/x
  3. Step 3: Cross multiply
    87,877.48x = 131,737.29 × 31,704.39
  4. Step 4: Simplify right side
    87,877.48x = 4,176,649,806.80
  5. Step 5: Solve for x
    x = 4,176,649,806.80/87,877.48
  6. Step 6: Final answer
    x = 47,528.10

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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.