Home / 89,912.38-124,070.25-49,623.54

Finding the Fourth Proportional to 89,912.38, 124,070.25 and 49,623.54

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Solution

The fourth proportional to 89,912.38, 124,070.25 and 49,623.54 is: 68,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912.38 : 124,070.25 = 49,623.54 : x
  2. Step 2: Convert to fraction form
    89,912.38/124,070.25 = 49,623.54/x
  3. Step 3: Cross multiply
    89,912.38x = 124,070.25 × 49,623.54
  4. Step 4: Simplify right side
    89,912.38x = 6,156,805,013.69
  5. Step 5: Solve for x
    x = 6,156,805,013.69/89,912.38
  6. Step 6: Final answer
    x = 68,475.61

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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.