Home / 87,799.76-131,693.52-28,634.08

Finding the Fourth Proportional to 87,799.76, 131,693.52 and 28,634.08

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Solution

The fourth proportional to 87,799.76, 131,693.52 and 28,634.08 is: 42,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799.76 : 131,693.52 = 28,634.08 : x
  2. Step 2: Convert to fraction form
    87,799.76/131,693.52 = 28,634.08/x
  3. Step 3: Cross multiply
    87,799.76x = 131,693.52 × 28,634.08
  4. Step 4: Simplify right side
    87,799.76x = 3,770,922,787.16
  5. Step 5: Solve for x
    x = 3,770,922,787.16/87,799.76
  6. Step 6: Final answer
    x = 42,949.12

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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.