Home / 68,675.28-102,838.68-57,552.72

Finding the Fourth Proportional to 68,675.28, 102,838.68 and 57,552.72

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Solution

The fourth proportional to 68,675.28, 102,838.68 and 57,552.72 is: 86,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,675.28 : 102,838.68 = 57,552.72 : x
  2. Step 2: Convert to fraction form
    68,675.28/102,838.68 = 57,552.72/x
  3. Step 3: Cross multiply
    68,675.28x = 102,838.68 × 57,552.72
  4. Step 4: Simplify right side
    68,675.28x = 5,918,645,755.21
  5. Step 5: Solve for x
    x = 5,918,645,755.21/68,675.28
  6. Step 6: Final answer
    x = 86,183.06

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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.