Home / 80,949.60-121,375.80-41,583.60

Finding the Fourth Proportional to 80,949.60, 121,375.80 and 41,583.60

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Solution

The fourth proportional to 80,949.60, 121,375.80 and 41,583.60 is: 62,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,949.60 : 121,375.80 = 41,583.60 : x
  2. Step 2: Convert to fraction form
    80,949.60/121,375.80 = 41,583.60/x
  3. Step 3: Cross multiply
    80,949.60x = 121,375.80 × 41,583.60
  4. Step 4: Simplify right side
    80,949.60x = 5,047,242,716.88
  5. Step 5: Solve for x
    x = 5,047,242,716.88/80,949.60
  6. Step 6: Final answer
    x = 62,350.43

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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.