Home / 79,542.55-109,769.46-43,732.81

Finding the Fourth Proportional to 79,542.55, 109,769.46 and 43,732.81

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Solution

The fourth proportional to 79,542.55, 109,769.46 and 43,732.81 is: 60,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,542.55 : 109,769.46 = 43,732.81 : x
  2. Step 2: Convert to fraction form
    79,542.55/109,769.46 = 43,732.81/x
  3. Step 3: Cross multiply
    79,542.55x = 109,769.46 × 43,732.81
  4. Step 4: Simplify right side
    79,542.55x = 4,800,526,937.98
  5. Step 5: Solve for x
    x = 4,800,526,937.98/79,542.55
  6. Step 6: Final answer
    x = 60,351.69

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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.