Home / 68,920.32-103,363.20-50,418.24

Finding the Fourth Proportional to 68,920.32, 103,363.20 and 50,418.24

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Solution

The fourth proportional to 68,920.32, 103,363.20 and 50,418.24 is: 75,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,920.32 : 103,363.20 = 50,418.24 : x
  2. Step 2: Convert to fraction form
    68,920.32/103,363.20 = 50,418.24/x
  3. Step 3: Cross multiply
    68,920.32x = 103,363.20 × 50,418.24
  4. Step 4: Simplify right side
    68,920.32x = 5,211,390,624.77
  5. Step 5: Solve for x
    x = 5,211,390,624.77/68,920.32
  6. Step 6: Final answer
    x = 75,614.72

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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.