Home / 69,375.20-95,727.51-40,684.04

Finding the Fourth Proportional to 69,375.20, 95,727.51 and 40,684.04

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Solution

The fourth proportional to 69,375.20, 95,727.51 and 40,684.04 is: 56,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,375.20 : 95,727.51 = 40,684.04 : x
  2. Step 2: Convert to fraction form
    69,375.20/95,727.51 = 40,684.04/x
  3. Step 3: Cross multiply
    69,375.20x = 95,727.51 × 40,684.04
  4. Step 4: Simplify right side
    69,375.20x = 3,894,581,845.94
  5. Step 5: Solve for x
    x = 3,894,581,845.94/69,375.20
  6. Step 6: Final answer
    x = 56,137.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.