Home / 89,310.45-123,249.82-49,027.88

Finding the Fourth Proportional to 89,310.45, 123,249.82 and 49,027.88

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Solution

The fourth proportional to 89,310.45, 123,249.82 and 49,027.88 is: 67,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.45 : 123,249.82 = 49,027.88 : x
  2. Step 2: Convert to fraction form
    89,310.45/123,249.82 = 49,027.88/x
  3. Step 3: Cross multiply
    89,310.45x = 123,249.82 × 49,027.88
  4. Step 4: Simplify right side
    89,310.45x = 6,042,677,662.46
  5. Step 5: Solve for x
    x = 6,042,677,662.46/89,310.45
  6. Step 6: Final answer
    x = 67,659.25

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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.