Home / 68,991.38-103,948.09-62,335.61

Finding the Fourth Proportional to 68,991.38, 103,948.09 and 62,335.61

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Solution

The fourth proportional to 68,991.38, 103,948.09 and 62,335.61 is: 93,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,991.38 : 103,948.09 = 62,335.61 : x
  2. Step 2: Convert to fraction form
    68,991.38/103,948.09 = 62,335.61/x
  3. Step 3: Cross multiply
    68,991.38x = 103,948.09 × 62,335.61
  4. Step 4: Simplify right side
    68,991.38x = 6,479,667,598.48
  5. Step 5: Solve for x
    x = 6,479,667,598.48/68,991.38
  6. Step 6: Final answer
    x = 93,919.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.