Home / 68,921.28-95,205.24-54,002.70

Finding the Fourth Proportional to 68,921.28, 95,205.24 and 54,002.70

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Solution

The fourth proportional to 68,921.28, 95,205.24 and 54,002.70 is: 74,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,921.28 : 95,205.24 = 54,002.70 : x
  2. Step 2: Convert to fraction form
    68,921.28/95,205.24 = 54,002.70/x
  3. Step 3: Cross multiply
    68,921.28x = 95,205.24 × 54,002.70
  4. Step 4: Simplify right side
    68,921.28x = 5,141,340,014.15
  5. Step 5: Solve for x
    x = 5,141,340,014.15/68,921.28
  6. Step 6: Final answer
    x = 74,597.28

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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.