Home / 122,481.38-183,722.07-39,375.38

Finding the Fourth Proportional to 122,481.38, 183,722.07 and 39,375.38

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Solution

The fourth proportional to 122,481.38, 183,722.07 and 39,375.38 is: 59,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481.38 : 183,722.07 = 39,375.38 : x
  2. Step 2: Convert to fraction form
    122,481.38/183,722.07 = 39,375.38/x
  3. Step 3: Cross multiply
    122,481.38x = 183,722.07 × 39,375.38
  4. Step 4: Simplify right side
    122,481.38x = 7,234,125,402.03
  5. Step 5: Solve for x
    x = 7,234,125,402.03/122,481.38
  6. Step 6: Final answer
    x = 59,063.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.