Home / 87,566.22-131,289.34-31,405.14

Finding the Fourth Proportional to 87,566.22, 131,289.34 and 31,405.14

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Solution

The fourth proportional to 87,566.22, 131,289.34 and 31,405.14 is: 47,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566.22 : 131,289.34 = 31,405.14 : x
  2. Step 2: Convert to fraction form
    87,566.22/131,289.34 = 31,405.14/x
  3. Step 3: Cross multiply
    87,566.22x = 131,289.34 × 31,405.14
  4. Step 4: Simplify right side
    87,566.22x = 4,123,160,103.21
  5. Step 5: Solve for x
    x = 4,123,160,103.21/87,566.22
  6. Step 6: Final answer
    x = 47,086.19

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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.