Home / 87,546.64-131,340.75-28,382.35

Finding the Fourth Proportional to 87,546.64, 131,340.75 and 28,382.35

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Solution

The fourth proportional to 87,546.64, 131,340.75 and 28,382.35 is: 42,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546.64 : 131,340.75 = 28,382.35 : x
  2. Step 2: Convert to fraction form
    87,546.64/131,340.75 = 28,382.35/x
  3. Step 3: Cross multiply
    87,546.64x = 131,340.75 × 28,382.35
  4. Step 4: Simplify right side
    87,546.64x = 3,727,759,135.76
  5. Step 5: Solve for x
    x = 3,727,759,135.76/87,546.64
  6. Step 6: Final answer
    x = 42,580.27

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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.