Home / 79,545.27-109,771.49-43,734.97

Finding the Fourth Proportional to 79,545.27, 109,771.49 and 43,734.97

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Solution

The fourth proportional to 79,545.27, 109,771.49 and 43,734.97 is: 60,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.27 : 109,771.49 = 43,734.97 : x
  2. Step 2: Convert to fraction form
    79,545.27/109,771.49 = 43,734.97/x
  3. Step 3: Cross multiply
    79,545.27x = 109,771.49 × 43,734.97
  4. Step 4: Simplify right side
    79,545.27x = 4,800,852,054.47
  5. Step 5: Solve for x
    x = 4,800,852,054.47/79,545.27
  6. Step 6: Final answer
    x = 60,353.71

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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.