Home / 80,909.53-121,344.84-41,446.33

Finding the Fourth Proportional to 80,909.53, 121,344.84 and 41,446.33

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Solution

The fourth proportional to 80,909.53, 121,344.84 and 41,446.33 is: 62,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,909.53 : 121,344.84 = 41,446.33 : x
  2. Step 2: Convert to fraction form
    80,909.53/121,344.84 = 41,446.33/x
  3. Step 3: Cross multiply
    80,909.53x = 121,344.84 × 41,446.33
  4. Step 4: Simplify right side
    80,909.53x = 5,029,297,675.71
  5. Step 5: Solve for x
    x = 5,029,297,675.71/80,909.53
  6. Step 6: Final answer
    x = 62,159.53

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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.