Home / 68,230.20-102,422.10-52,716.60

Finding the Fourth Proportional to 68,230.20, 102,422.10 and 52,716.60

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Solution

The fourth proportional to 68,230.20, 102,422.10 and 52,716.60 is: 79,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.20 : 102,422.10 = 52,716.60 : x
  2. Step 2: Convert to fraction form
    68,230.20/102,422.10 = 52,716.60/x
  3. Step 3: Cross multiply
    68,230.20x = 102,422.10 × 52,716.60
  4. Step 4: Simplify right side
    68,230.20x = 5,399,344,876.86
  5. Step 5: Solve for x
    x = 5,399,344,876.86/68,230.20
  6. Step 6: Final answer
    x = 79,134.24

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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.