Home / 87,892.07-131,811.17-31,725.32

Finding the Fourth Proportional to 87,892.07, 131,811.17 and 31,725.32

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Solution

The fourth proportional to 87,892.07, 131,811.17 and 31,725.32 is: 47,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.07 : 131,811.17 = 31,725.32 : x
  2. Step 2: Convert to fraction form
    87,892.07/131,811.17 = 31,725.32/x
  3. Step 3: Cross multiply
    87,892.07x = 131,811.17 × 31,725.32
  4. Step 4: Simplify right side
    87,892.07x = 4,181,750,730.14
  5. Step 5: Solve for x
    x = 4,181,750,730.14/87,892.07
  6. Step 6: Final answer
    x = 47,578.25

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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.