Home / 89,741.60-123,844.22-49,456.79

Finding the Fourth Proportional to 89,741.60, 123,844.22 and 49,456.79

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Solution

The fourth proportional to 89,741.60, 123,844.22 and 49,456.79 is: 68,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,741.60 : 123,844.22 = 49,456.79 : x
  2. Step 2: Convert to fraction form
    89,741.60/123,844.22 = 49,456.79/x
  3. Step 3: Cross multiply
    89,741.60x = 123,844.22 × 49,456.79
  4. Step 4: Simplify right side
    89,741.60x = 6,124,937,333.97
  5. Step 5: Solve for x
    x = 6,124,937,333.97/89,741.60
  6. Step 6: Final answer
    x = 68,250.82

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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.