Home / 68,276.38-102,414.49-21,529.25

Finding the Fourth Proportional to 68,276.38, 102,414.49 and 21,529.25

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Solution

The fourth proportional to 68,276.38, 102,414.49 and 21,529.25 is: 32,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,276.38 : 102,414.49 = 21,529.25 : x
  2. Step 2: Convert to fraction form
    68,276.38/102,414.49 = 21,529.25/x
  3. Step 3: Cross multiply
    68,276.38x = 102,414.49 × 21,529.25
  4. Step 4: Simplify right side
    68,276.38x = 2,204,907,158.83
  5. Step 5: Solve for x
    x = 2,204,907,158.83/68,276.38
  6. Step 6: Final answer
    x = 32,293.85

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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.