Home / 80,964.26-121,410.72-36,589.22

Finding the Fourth Proportional to 80,964.26, 121,410.72 and 36,589.22

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Solution

The fourth proportional to 80,964.26, 121,410.72 and 36,589.22 is: 54,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,964.26 : 121,410.72 = 36,589.22 : x
  2. Step 2: Convert to fraction form
    80,964.26/121,410.72 = 36,589.22/x
  3. Step 3: Cross multiply
    80,964.26x = 121,410.72 × 36,589.22
  4. Step 4: Simplify right side
    80,964.26x = 4,442,323,544.44
  5. Step 5: Solve for x
    x = 4,442,323,544.44/80,964.26
  6. Step 6: Final answer
    x = 54,867.71

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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.