Home / 87,765.31-131,653.44-35,167.96

Finding the Fourth Proportional to 87,765.31, 131,653.44 and 35,167.96

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Solution

The fourth proportional to 87,765.31, 131,653.44 and 35,167.96 is: 52,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,765.31 : 131,653.44 = 35,167.96 : x
  2. Step 2: Convert to fraction form
    87,765.31/131,653.44 = 35,167.96/x
  3. Step 3: Cross multiply
    87,765.31x = 131,653.44 × 35,167.96
  4. Step 4: Simplify right side
    87,765.31x = 4,629,982,944.47
  5. Step 5: Solve for x
    x = 4,629,982,944.47/87,765.31
  6. Step 6: Final answer
    x = 52,754.13

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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.