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Finding the Fourth Proportional to 67,236.66, 100,832.43 and 33,935.49

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Solution

The fourth proportional to 67,236.66, 100,832.43 and 33,935.49 is: 50,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,236.66 : 100,832.43 = 33,935.49 : x
  2. Step 2: Convert to fraction form
    67,236.66/100,832.43 = 33,935.49/x
  3. Step 3: Cross multiply
    67,236.66x = 100,832.43 × 33,935.49
  4. Step 4: Simplify right side
    67,236.66x = 3,421,797,919.94
  5. Step 5: Solve for x
    x = 3,421,797,919.94/67,236.66
  6. Step 6: Final answer
    x = 50,891.85

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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.