Home / 68,901.28-95,083.82-40,240.48

Finding the Fourth Proportional to 68,901.28, 95,083.82 and 40,240.48

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Solution

The fourth proportional to 68,901.28, 95,083.82 and 40,240.48 is: 55,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.28 : 95,083.82 = 40,240.48 : x
  2. Step 2: Convert to fraction form
    68,901.28/95,083.82 = 40,240.48/x
  3. Step 3: Cross multiply
    68,901.28x = 95,083.82 × 40,240.48
  4. Step 4: Simplify right side
    68,901.28x = 3,826,218,557.03
  5. Step 5: Solve for x
    x = 3,826,218,557.03/68,901.28
  6. Step 6: Final answer
    x = 55,531.89

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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.