Home / 87,329.04-120,507.60-49,596

Finding the Fourth Proportional to 87,329.04, 120,507.60 and 49,596

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Solution

The fourth proportional to 87,329.04, 120,507.60 and 49,596 is: 68,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.04 : 120,507.60 = 49,596 : x
  2. Step 2: Convert to fraction form
    87,329.04/120,507.60 = 49,596/x
  3. Step 3: Cross multiply
    87,329.04x = 120,507.60 × 49,596
  4. Step 4: Simplify right side
    87,329.04x = 5,976,694,929.60
  5. Step 5: Solve for x
    x = 5,976,694,929.60/87,329.04
  6. Step 6: Final answer
    x = 68,438.80

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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.