Home / 80,550.36-120,861.56-41,086.68

Finding the Fourth Proportional to 80,550.36, 120,861.56 and 41,086.68

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Solution

The fourth proportional to 80,550.36, 120,861.56 and 41,086.68 is: 61,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.36 : 120,861.56 = 41,086.68 : x
  2. Step 2: Convert to fraction form
    80,550.36/120,861.56 = 41,086.68/x
  3. Step 3: Cross multiply
    80,550.36x = 120,861.56 × 41,086.68
  4. Step 4: Simplify right side
    80,550.36x = 4,965,800,240.02
  5. Step 5: Solve for x
    x = 4,965,800,240.02/80,550.36
  6. Step 6: Final answer
    x = 61,648.39

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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.