Home / 68,733.28-103,083.84-38,760.46

Finding the Fourth Proportional to 68,733.28, 103,083.84 and 38,760.46

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Solution

The fourth proportional to 68,733.28, 103,083.84 and 38,760.46 is: 58,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.28 : 103,083.84 = 38,760.46 : x
  2. Step 2: Convert to fraction form
    68,733.28/103,083.84 = 38,760.46/x
  3. Step 3: Cross multiply
    68,733.28x = 103,083.84 × 38,760.46
  4. Step 4: Simplify right side
    68,733.28x = 3,995,577,056.97
  5. Step 5: Solve for x
    x = 3,995,577,056.97/68,733.28
  6. Step 6: Final answer
    x = 58,131.62

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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.