Home / 87,535.45-131,326.44-31,381.24

Finding the Fourth Proportional to 87,535.45, 131,326.44 and 31,381.24

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Solution

The fourth proportional to 87,535.45, 131,326.44 and 31,381.24 is: 47,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,535.45 : 131,326.44 = 31,381.24 : x
  2. Step 2: Convert to fraction form
    87,535.45/131,326.44 = 31,381.24/x
  3. Step 3: Cross multiply
    87,535.45x = 131,326.44 × 31,381.24
  4. Step 4: Simplify right side
    87,535.45x = 4,121,186,531.99
  5. Step 5: Solve for x
    x = 4,121,186,531.99/87,535.45
  6. Step 6: Final answer
    x = 47,080.20

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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.