Home / 87,372.50-131,086.59-31,211.54

Finding the Fourth Proportional to 87,372.50, 131,086.59 and 31,211.54

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Solution

The fourth proportional to 87,372.50, 131,086.59 and 31,211.54 is: 46,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372.50 : 131,086.59 = 31,211.54 : x
  2. Step 2: Convert to fraction form
    87,372.50/131,086.59 = 31,211.54/x
  3. Step 3: Cross multiply
    87,372.50x = 131,086.59 × 31,211.54
  4. Step 4: Simplify right side
    87,372.50x = 4,091,414,347.25
  5. Step 5: Solve for x
    x = 4,091,414,347.25/87,372.50
  6. Step 6: Final answer
    x = 46,827.26

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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.