Home / 87,571.14-120,839.46-49,329.62

Finding the Fourth Proportional to 87,571.14, 120,839.46 and 49,329.62

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Solution

The fourth proportional to 87,571.14, 120,839.46 and 49,329.62 is: 68,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.14 : 120,839.46 = 49,329.62 : x
  2. Step 2: Convert to fraction form
    87,571.14/120,839.46 = 49,329.62/x
  3. Step 3: Cross multiply
    87,571.14x = 120,839.46 × 49,329.62
  4. Step 4: Simplify right side
    87,571.14x = 5,960,964,642.81
  5. Step 5: Solve for x
    x = 5,960,964,642.81/87,571.14
  6. Step 6: Final answer
    x = 68,069.97

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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.