Home / 87,537.56-131,278.26-28,358.96

Finding the Fourth Proportional to 87,537.56, 131,278.26 and 28,358.96

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Solution

The fourth proportional to 87,537.56, 131,278.26 and 28,358.96 is: 42,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.56 : 131,278.26 = 28,358.96 : x
  2. Step 2: Convert to fraction form
    87,537.56/131,278.26 = 28,358.96/x
  3. Step 3: Cross multiply
    87,537.56x = 131,278.26 × 28,358.96
  4. Step 4: Simplify right side
    87,537.56x = 3,722,914,924.21
  5. Step 5: Solve for x
    x = 3,722,914,924.21/87,537.56
  6. Step 6: Final answer
    x = 42,529.34

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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.