Home / 123,223.92-170,049.07-66,635.29

Finding the Fourth Proportional to 123,223.92, 170,049.07 and 66,635.29

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Solution

The fourth proportional to 123,223.92, 170,049.07 and 66,635.29 is: 91,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,223.92 : 170,049.07 = 66,635.29 : x
  2. Step 2: Convert to fraction form
    123,223.92/170,049.07 = 66,635.29/x
  3. Step 3: Cross multiply
    123,223.92x = 170,049.07 × 66,635.29
  4. Step 4: Simplify right side
    123,223.92x = 11,331,269,093.68
  5. Step 5: Solve for x
    x = 11,331,269,093.68/123,223.92
  6. Step 6: Final answer
    x = 91,956.73

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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.