Home / 87,546.75-131,321.94-28,382.32

Finding the Fourth Proportional to 87,546.75, 131,321.94 and 28,382.32

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Solution

The fourth proportional to 87,546.75, 131,321.94 and 28,382.32 is: 42,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546.75 : 131,321.94 = 28,382.32 : x
  2. Step 2: Convert to fraction form
    87,546.75/131,321.94 = 28,382.32/x
  3. Step 3: Cross multiply
    87,546.75x = 131,321.94 × 28,382.32
  4. Step 4: Simplify right side
    87,546.75x = 3,727,221,324.10
  5. Step 5: Solve for x
    x = 3,727,221,324.10/87,546.75
  6. Step 6: Final answer
    x = 42,574.07

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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.