Home / 87,832.38-131,734.86-28,654.92

Finding the Fourth Proportional to 87,832.38, 131,734.86 and 28,654.92

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Solution

The fourth proportional to 87,832.38, 131,734.86 and 28,654.92 is: 42,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.38 : 131,734.86 = 28,654.92 : x
  2. Step 2: Convert to fraction form
    87,832.38/131,734.86 = 28,654.92/x
  3. Step 3: Cross multiply
    87,832.38x = 131,734.86 × 28,654.92
  4. Step 4: Simplify right side
    87,832.38x = 3,774,851,874.51
  5. Step 5: Solve for x
    x = 3,774,851,874.51/87,832.38
  6. Step 6: Final answer
    x = 42,977.91

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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.