Home / 68,864.28-103,340.12-29,421.70

Finding the Fourth Proportional to 68,864.28, 103,340.12 and 29,421.70

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Solution

The fourth proportional to 68,864.28, 103,340.12 and 29,421.70 is: 44,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.28 : 103,340.12 = 29,421.70 : x
  2. Step 2: Convert to fraction form
    68,864.28/103,340.12 = 29,421.70/x
  3. Step 3: Cross multiply
    68,864.28x = 103,340.12 × 29,421.70
  4. Step 4: Simplify right side
    68,864.28x = 3,040,442,008.60
  5. Step 5: Solve for x
    x = 3,040,442,008.60/68,864.28
  6. Step 6: Final answer
    x = 44,151.22

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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.