Home / 68,468.59-94,469.38-40,168.81

Finding the Fourth Proportional to 68,468.59, 94,469.38 and 40,168.81

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Solution

The fourth proportional to 68,468.59, 94,469.38 and 40,168.81 is: 55,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,468.59 : 94,469.38 = 40,168.81 : x
  2. Step 2: Convert to fraction form
    68,468.59/94,469.38 = 40,168.81/x
  3. Step 3: Cross multiply
    68,468.59x = 94,469.38 × 40,168.81
  4. Step 4: Simplify right side
    68,468.59x = 3,794,722,576.04
  5. Step 5: Solve for x
    x = 3,794,722,576.04/68,468.59
  6. Step 6: Final answer
    x = 55,422.82

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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.