Home / 89,045.25-122,882.45-49,301.25

Finding the Fourth Proportional to 89,045.25, 122,882.45 and 49,301.25

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Solution

The fourth proportional to 89,045.25, 122,882.45 and 49,301.25 is: 68,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.25 : 122,882.45 = 49,301.25 : x
  2. Step 2: Convert to fraction form
    89,045.25/122,882.45 = 49,301.25/x
  3. Step 3: Cross multiply
    89,045.25x = 122,882.45 × 49,301.25
  4. Step 4: Simplify right side
    89,045.25x = 6,058,258,141.56
  5. Step 5: Solve for x
    x = 6,058,258,141.56/89,045.25
  6. Step 6: Final answer
    x = 68,035.73

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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.