Home / 63,979.38-88,245.82-55,466.28

Finding the Fourth Proportional to 63,979.38, 88,245.82 and 55,466.28

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Solution

The fourth proportional to 63,979.38, 88,245.82 and 55,466.28 is: 76,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.38 : 88,245.82 = 55,466.28 : x
  2. Step 2: Convert to fraction form
    63,979.38/88,245.82 = 55,466.28/x
  3. Step 3: Cross multiply
    63,979.38x = 88,245.82 × 55,466.28
  4. Step 4: Simplify right side
    63,979.38x = 4,894,667,360.95
  5. Step 5: Solve for x
    x = 4,894,667,360.95/63,979.38
  6. Step 6: Final answer
    x = 76,503.83

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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.