Home / 79,524.23-109,748.62-49,329.61

Finding the Fourth Proportional to 79,524.23, 109,748.62 and 49,329.61

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Solution

The fourth proportional to 79,524.23, 109,748.62 and 49,329.61 is: 68,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,524.23 : 109,748.62 = 49,329.61 : x
  2. Step 2: Convert to fraction form
    79,524.23/109,748.62 = 49,329.61/x
  3. Step 3: Cross multiply
    79,524.23x = 109,748.62 × 49,329.61
  4. Step 4: Simplify right side
    79,524.23x = 5,413,856,224.94
  5. Step 5: Solve for x
    x = 5,413,856,224.94/79,524.23
  6. Step 6: Final answer
    x = 68,078.07

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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.