Home / 87,489.07-131,232.76-40,090.73

Finding the Fourth Proportional to 87,489.07, 131,232.76 and 40,090.73

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Solution

The fourth proportional to 87,489.07, 131,232.76 and 40,090.73 is: 60,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,489.07 : 131,232.76 = 40,090.73 : x
  2. Step 2: Convert to fraction form
    87,489.07/131,232.76 = 40,090.73/x
  3. Step 3: Cross multiply
    87,489.07x = 131,232.76 × 40,090.73
  4. Step 4: Simplify right side
    87,489.07x = 5,261,216,853.29
  5. Step 5: Solve for x
    x = 5,261,216,853.29/87,489.07
  6. Step 6: Final answer
    x = 60,135.70

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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.