Home / 89,836.92-123,965.04-52,103.88

Finding the Fourth Proportional to 89,836.92, 123,965.04 and 52,103.88

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Solution

The fourth proportional to 89,836.92, 123,965.04 and 52,103.88 is: 71,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.92 : 123,965.04 = 52,103.88 : x
  2. Step 2: Convert to fraction form
    89,836.92/123,965.04 = 52,103.88/x
  3. Step 3: Cross multiply
    89,836.92x = 123,965.04 × 52,103.88
  4. Step 4: Simplify right side
    89,836.92x = 6,459,059,568.36
  5. Step 5: Solve for x
    x = 6,459,059,568.36/89,836.92
  6. Step 6: Final answer
    x = 71,897.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.