Home / 80,039.27-120,064.89-23,874.95

Finding the Fourth Proportional to 80,039.27, 120,064.89 and 23,874.95

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Solution

The fourth proportional to 80,039.27, 120,064.89 and 23,874.95 is: 35,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,039.27 : 120,064.89 = 23,874.95 : x
  2. Step 2: Convert to fraction form
    80,039.27/120,064.89 = 23,874.95/x
  3. Step 3: Cross multiply
    80,039.27x = 120,064.89 × 23,874.95
  4. Step 4: Simplify right side
    80,039.27x = 2,866,543,245.51
  5. Step 5: Solve for x
    x = 2,866,543,245.51/80,039.27
  6. Step 6: Final answer
    x = 35,814.21

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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.