Home / 87,583.19-120,839.77-49,329.37

Finding the Fourth Proportional to 87,583.19, 120,839.77 and 49,329.37

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Solution

The fourth proportional to 87,583.19, 120,839.77 and 49,329.37 is: 68,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,583.19 : 120,839.77 = 49,329.37 : x
  2. Step 2: Convert to fraction form
    87,583.19/120,839.77 = 49,329.37/x
  3. Step 3: Cross multiply
    87,583.19x = 120,839.77 × 49,329.37
  4. Step 4: Simplify right side
    87,583.19x = 5,960,949,299.62
  5. Step 5: Solve for x
    x = 5,960,949,299.62/87,583.19
  6. Step 6: Final answer
    x = 68,060.42

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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.