Home / 89,507.24-123,517.38-49,220.96

Finding the Fourth Proportional to 89,507.24, 123,517.38 and 49,220.96

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Solution

The fourth proportional to 89,507.24, 123,517.38 and 49,220.96 is: 67,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,507.24 : 123,517.38 = 49,220.96 : x
  2. Step 2: Convert to fraction form
    89,507.24/123,517.38 = 49,220.96/x
  3. Step 3: Cross multiply
    89,507.24x = 123,517.38 × 49,220.96
  4. Step 4: Simplify right side
    89,507.24x = 6,079,644,020.28
  5. Step 5: Solve for x
    x = 6,079,644,020.28/89,507.24
  6. Step 6: Final answer
    x = 67,923.49

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1.5x scale

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.