Home / 80,648.66-120,997.60-41,233.46

Finding the Fourth Proportional to 80,648.66, 120,997.60 and 41,233.46

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Solution

The fourth proportional to 80,648.66, 120,997.60 and 41,233.46 is: 61,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,648.66 : 120,997.60 = 41,233.46 : x
  2. Step 2: Convert to fraction form
    80,648.66/120,997.60 = 41,233.46/x
  3. Step 3: Cross multiply
    80,648.66x = 120,997.60 × 41,233.46
  4. Step 4: Simplify right side
    80,648.66x = 4,989,148,991.62
  5. Step 5: Solve for x
    x = 4,989,148,991.62/80,648.66
  6. Step 6: Final answer
    x = 61,862.76

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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.