Home / 75,754.94-104,542.24-43,942.72

Finding the Fourth Proportional to 75,754.94, 104,542.24 and 43,942.72

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Solution

The fourth proportional to 75,754.94, 104,542.24 and 43,942.72 is: 60,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,754.94 : 104,542.24 = 43,942.72 : x
  2. Step 2: Convert to fraction form
    75,754.94/104,542.24 = 43,942.72/x
  3. Step 3: Cross multiply
    75,754.94x = 104,542.24 × 43,942.72
  4. Step 4: Simplify right side
    75,754.94x = 4,593,870,380.49
  5. Step 5: Solve for x
    x = 4,593,870,380.49/75,754.94
  6. Step 6: Final answer
    x = 60,641.20

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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.