Home / 87,634.53-120,903.17-60,800.85

Finding the Fourth Proportional to 87,634.53, 120,903.17 and 60,800.85

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Solution

The fourth proportional to 87,634.53, 120,903.17 and 60,800.85 is: 83,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634.53 : 120,903.17 = 60,800.85 : x
  2. Step 2: Convert to fraction form
    87,634.53/120,903.17 = 60,800.85/x
  3. Step 3: Cross multiply
    87,634.53x = 120,903.17 × 60,800.85
  4. Step 4: Simplify right side
    87,634.53x = 7,351,015,199.69
  5. Step 5: Solve for x
    x = 7,351,015,199.69/87,634.53
  6. Step 6: Final answer
    x = 83,882.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.