Home / 68,974.83-95,185.17-40,314.20

Finding the Fourth Proportional to 68,974.83, 95,185.17 and 40,314.20

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Solution

The fourth proportional to 68,974.83, 95,185.17 and 40,314.20 is: 55,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,974.83 : 95,185.17 = 40,314.20 : x
  2. Step 2: Convert to fraction form
    68,974.83/95,185.17 = 40,314.20/x
  3. Step 3: Cross multiply
    68,974.83x = 95,185.17 × 40,314.20
  4. Step 4: Simplify right side
    68,974.83x = 3,837,313,504.49
  5. Step 5: Solve for x
    x = 3,837,313,504.49/68,974.83
  6. Step 6: Final answer
    x = 55,633.53

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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.