Home / 87,676.61-131,534.41-40,903.97

Finding the Fourth Proportional to 87,676.61, 131,534.41 and 40,903.97

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Solution

The fourth proportional to 87,676.61, 131,534.41 and 40,903.97 is: 61,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,676.61 : 131,534.41 = 40,903.97 : x
  2. Step 2: Convert to fraction form
    87,676.61/131,534.41 = 40,903.97/x
  3. Step 3: Cross multiply
    87,676.61x = 131,534.41 × 40,903.97
  4. Step 4: Simplify right side
    87,676.61x = 5,380,279,787.18
  5. Step 5: Solve for x
    x = 5,380,279,787.18/87,676.61
  6. Step 6: Final answer
    x = 61,365.05

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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.