Home / 87,582.68-120,839.09-49,328.84

Finding the Fourth Proportional to 87,582.68, 120,839.09 and 49,328.84

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Solution

The fourth proportional to 87,582.68, 120,839.09 and 49,328.84 is: 68,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,582.68 : 120,839.09 = 49,328.84 : x
  2. Step 2: Convert to fraction form
    87,582.68/120,839.09 = 49,328.84/x
  3. Step 3: Cross multiply
    87,582.68x = 120,839.09 × 49,328.84
  4. Step 4: Simplify right side
    87,582.68x = 5,960,851,285.52
  5. Step 5: Solve for x
    x = 5,960,851,285.52/87,582.68
  6. Step 6: Final answer
    x = 68,059.71

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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.