Home / 87,947.64-131,847.48-28,751.04

Finding the Fourth Proportional to 87,947.64, 131,847.48 and 28,751.04

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Solution

The fourth proportional to 87,947.64, 131,847.48 and 28,751.04 is: 43,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,947.64 : 131,847.48 = 28,751.04 : x
  2. Step 2: Convert to fraction form
    87,947.64/131,847.48 = 28,751.04/x
  3. Step 3: Cross multiply
    87,947.64x = 131,847.48 × 28,751.04
  4. Step 4: Simplify right side
    87,947.64x = 3,790,752,171.38
  5. Step 5: Solve for x
    x = 3,790,752,171.38/87,947.64
  6. Step 6: Final answer
    x = 43,102.38

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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.