Home / 80,659.54-121,013.92-41,244.34

Finding the Fourth Proportional to 80,659.54, 121,013.92 and 41,244.34

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Solution

The fourth proportional to 80,659.54, 121,013.92 and 41,244.34 is: 61,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659.54 : 121,013.92 = 41,244.34 : x
  2. Step 2: Convert to fraction form
    80,659.54/121,013.92 = 41,244.34/x
  3. Step 3: Cross multiply
    80,659.54x = 121,013.92 × 41,244.34
  4. Step 4: Simplify right side
    80,659.54x = 4,991,138,553.03
  5. Step 5: Solve for x
    x = 4,991,138,553.03/80,659.54
  6. Step 6: Final answer
    x = 61,879.09

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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.