Home / 80,976.26-121,464.36-41,508.20

Finding the Fourth Proportional to 80,976.26, 121,464.36 and 41,508.20

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Solution

The fourth proportional to 80,976.26, 121,464.36 and 41,508.20 is: 62,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,976.26 : 121,464.36 = 41,508.20 : x
  2. Step 2: Convert to fraction form
    80,976.26/121,464.36 = 41,508.20/x
  3. Step 3: Cross multiply
    80,976.26x = 121,464.36 × 41,508.20
  4. Step 4: Simplify right side
    80,976.26x = 5,041,766,947.75
  5. Step 5: Solve for x
    x = 5,041,766,947.75/80,976.26
  6. Step 6: Final answer
    x = 62,262.28

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1.5x scale

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.