Home / 90,542.16-124,942.38-50,255.97

Finding the Fourth Proportional to 90,542.16, 124,942.38 and 50,255.97

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Solution

The fourth proportional to 90,542.16, 124,942.38 and 50,255.97 is: 69,350.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,542.16 : 124,942.38 = 50,255.97 : x
  2. Step 2: Convert to fraction form
    90,542.16/124,942.38 = 50,255.97/x
  3. Step 3: Cross multiply
    90,542.16x = 124,942.38 × 50,255.97
  4. Step 4: Simplify right side
    90,542.16x = 6,279,100,501.01
  5. Step 5: Solve for x
    x = 6,279,100,501.01/90,542.16
  6. Step 6: Final answer
    x = 69,350.02

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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.