Home / 87,423.34-131,102.82-31,248.26

Finding the Fourth Proportional to 87,423.34, 131,102.82 and 31,248.26

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Solution

The fourth proportional to 87,423.34, 131,102.82 and 31,248.26 is: 46,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,423.34 : 131,102.82 = 31,248.26 : x
  2. Step 2: Convert to fraction form
    87,423.34/131,102.82 = 31,248.26/x
  3. Step 3: Cross multiply
    87,423.34x = 131,102.82 × 31,248.26
  4. Step 4: Simplify right side
    87,423.34x = 4,096,735,006.09
  5. Step 5: Solve for x
    x = 4,096,735,006.09/87,423.34
  6. Step 6: Final answer
    x = 46,860.88

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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.