Home / 68,491.24-94,519.46-40,217.32

Finding the Fourth Proportional to 68,491.24, 94,519.46 and 40,217.32

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Solution

The fourth proportional to 68,491.24, 94,519.46 and 40,217.32 is: 55,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,491.24 : 94,519.46 = 40,217.32 : x
  2. Step 2: Convert to fraction form
    68,491.24/94,519.46 = 40,217.32/x
  3. Step 3: Cross multiply
    68,491.24x = 94,519.46 × 40,217.32
  4. Step 4: Simplify right side
    68,491.24x = 3,801,319,369.05
  5. Step 5: Solve for x
    x = 3,801,319,369.05/68,491.24
  6. Step 6: Final answer
    x = 55,500.81

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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.