Home / 87,799.24-131,685.49-28,634.82

Finding the Fourth Proportional to 87,799.24, 131,685.49 and 28,634.82

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Solution

The fourth proportional to 87,799.24, 131,685.49 and 28,634.82 is: 42,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799.24 : 131,685.49 = 28,634.82 : x
  2. Step 2: Convert to fraction form
    87,799.24/131,685.49 = 28,634.82/x
  3. Step 3: Cross multiply
    87,799.24x = 131,685.49 × 28,634.82
  4. Step 4: Simplify right side
    87,799.24x = 3,770,790,302.76
  5. Step 5: Solve for x
    x = 3,770,790,302.76/87,799.24
  6. Step 6: Final answer
    x = 42,947.87

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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.