Home / 68,734.52-103,003.86-40,660.28

Finding the Fourth Proportional to 68,734.52, 103,003.86 and 40,660.28

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Solution

The fourth proportional to 68,734.52, 103,003.86 and 40,660.28 is: 60,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,734.52 : 103,003.86 = 40,660.28 : x
  2. Step 2: Convert to fraction form
    68,734.52/103,003.86 = 40,660.28/x
  3. Step 3: Cross multiply
    68,734.52x = 103,003.86 × 40,660.28
  4. Step 4: Simplify right side
    68,734.52x = 4,188,165,788.68
  5. Step 5: Solve for x
    x = 4,188,165,788.68/68,734.52
  6. Step 6: Final answer
    x = 60,932.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.