Home / 80,976.25-121,464.37-41,508.19

Finding the Fourth Proportional to 80,976.25, 121,464.37 and 41,508.19

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Solution

The fourth proportional to 80,976.25, 121,464.37 and 41,508.19 is: 62,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,976.25 : 121,464.37 = 41,508.19 : x
  2. Step 2: Convert to fraction form
    80,976.25/121,464.37 = 41,508.19/x
  3. Step 3: Cross multiply
    80,976.25x = 121,464.37 × 41,508.19
  4. Step 4: Simplify right side
    80,976.25x = 5,041,765,540.87
  5. Step 5: Solve for x
    x = 5,041,765,540.87/80,976.25
  6. Step 6: Final answer
    x = 62,262.28

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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.