Home / 89,741.24-123,843.74-49,456.46

Finding the Fourth Proportional to 89,741.24, 123,843.74 and 49,456.46

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Solution

The fourth proportional to 89,741.24, 123,843.74 and 49,456.46 is: 68,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,741.24 : 123,843.74 = 49,456.46 : x
  2. Step 2: Convert to fraction form
    89,741.24/123,843.74 = 49,456.46/x
  3. Step 3: Cross multiply
    89,741.24x = 123,843.74 × 49,456.46
  4. Step 4: Simplify right side
    89,741.24x = 6,124,872,973.56
  5. Step 5: Solve for x
    x = 6,124,872,973.56/89,741.24
  6. Step 6: Final answer
    x = 68,250.37

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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.