Home / 80,868.86-121,321.74-24,716.95

Finding the Fourth Proportional to 80,868.86, 121,321.74 and 24,716.95

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Solution

The fourth proportional to 80,868.86, 121,321.74 and 24,716.95 is: 37,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,868.86 : 121,321.74 = 24,716.95 : x
  2. Step 2: Convert to fraction form
    80,868.86/121,321.74 = 24,716.95/x
  3. Step 3: Cross multiply
    80,868.86x = 121,321.74 × 24,716.95
  4. Step 4: Simplify right side
    80,868.86x = 2,998,703,381.49
  5. Step 5: Solve for x
    x = 2,998,703,381.49/80,868.86
  6. Step 6: Final answer
    x = 37,081.06

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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.