Home / 68,836.86-103,251.06-40,934.48

Finding the Fourth Proportional to 68,836.86, 103,251.06 and 40,934.48

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Solution

The fourth proportional to 68,836.86, 103,251.06 and 40,934.48 is: 61,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.86 : 103,251.06 = 40,934.48 : x
  2. Step 2: Convert to fraction form
    68,836.86/103,251.06 = 40,934.48/x
  3. Step 3: Cross multiply
    68,836.86x = 103,251.06 × 40,934.48
  4. Step 4: Simplify right side
    68,836.86x = 4,226,527,934.29
  5. Step 5: Solve for x
    x = 4,226,527,934.29/68,836.86
  6. Step 6: Final answer
    x = 61,399.20

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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.