Home / 80,770.43-121,180.44-41,355.22

Finding the Fourth Proportional to 80,770.43, 121,180.44 and 41,355.22

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Solution

The fourth proportional to 80,770.43, 121,180.44 and 41,355.22 is: 62,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,770.43 : 121,180.44 = 41,355.22 : x
  2. Step 2: Convert to fraction form
    80,770.43/121,180.44 = 41,355.22/x
  3. Step 3: Cross multiply
    80,770.43x = 121,180.44 × 41,355.22
  4. Step 4: Simplify right side
    80,770.43x = 5,011,443,149.99
  5. Step 5: Solve for x
    x = 5,011,443,149.99/80,770.43
  6. Step 6: Final answer
    x = 62,045.52

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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.