Home / 68,819.59-103,195.97-40,364.29

Finding the Fourth Proportional to 68,819.59, 103,195.97 and 40,364.29

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Solution

The fourth proportional to 68,819.59, 103,195.97 and 40,364.29 is: 60,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819.59 : 103,195.97 = 40,364.29 : x
  2. Step 2: Convert to fraction form
    68,819.59/103,195.97 = 40,364.29/x
  3. Step 3: Cross multiply
    68,819.59x = 103,195.97 × 40,364.29
  4. Step 4: Simplify right side
    68,819.59x = 4,165,431,342.11
  5. Step 5: Solve for x
    x = 4,165,431,342.11/68,819.59
  6. Step 6: Final answer
    x = 60,526.83

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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.