Home / 79,542.17-109,768.94-43,732.45

Finding the Fourth Proportional to 79,542.17, 109,768.94 and 43,732.45

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Solution

The fourth proportional to 79,542.17, 109,768.94 and 43,732.45 is: 60,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,542.17 : 109,768.94 = 43,732.45 : x
  2. Step 2: Convert to fraction form
    79,542.17/109,768.94 = 43,732.45/x
  3. Step 3: Cross multiply
    79,542.17x = 109,768.94 × 43,732.45
  4. Step 4: Simplify right side
    79,542.17x = 4,800,463,912.60
  5. Step 5: Solve for x
    x = 4,800,463,912.60/79,542.17
  6. Step 6: Final answer
    x = 60,351.18

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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.