Home / 87,977.52-131,961.96-28,841.04

Finding the Fourth Proportional to 87,977.52, 131,961.96 and 28,841.04

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Solution

The fourth proportional to 87,977.52, 131,961.96 and 28,841.04 is: 43,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,977.52 : 131,961.96 = 28,841.04 : x
  2. Step 2: Convert to fraction form
    87,977.52/131,961.96 = 28,841.04/x
  3. Step 3: Cross multiply
    87,977.52x = 131,961.96 × 28,841.04
  4. Step 4: Simplify right side
    87,977.52x = 3,805,920,166.84
  5. Step 5: Solve for x
    x = 3,805,920,166.84/87,977.52
  6. Step 6: Final answer
    x = 43,260.14

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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.