Home / 87,556.82-131,160.47-67,496.15

Finding the Fourth Proportional to 87,556.82, 131,160.47 and 67,496.15

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Solution

The fourth proportional to 87,556.82, 131,160.47 and 67,496.15 is: 101,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,556.82 : 131,160.47 = 67,496.15 : x
  2. Step 2: Convert to fraction form
    87,556.82/131,160.47 = 67,496.15/x
  3. Step 3: Cross multiply
    87,556.82x = 131,160.47 × 67,496.15
  4. Step 4: Simplify right side
    87,556.82x = 8,852,826,747.61
  5. Step 5: Solve for x
    x = 8,852,826,747.61/87,556.82
  6. Step 6: Final answer
    x = 101,109.51

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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.