Home / 89,713.61-123,791.25-50,945.39

Finding the Fourth Proportional to 89,713.61, 123,791.25 and 50,945.39

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Solution

The fourth proportional to 89,713.61, 123,791.25 and 50,945.39 is: 70,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713.61 : 123,791.25 = 50,945.39 : x
  2. Step 2: Convert to fraction form
    89,713.61/123,791.25 = 50,945.39/x
  3. Step 3: Cross multiply
    89,713.61x = 123,791.25 × 50,945.39
  4. Step 4: Simplify right side
    89,713.61x = 6,306,592,890.88
  5. Step 5: Solve for x
    x = 6,306,592,890.88/89,713.61
  6. Step 6: Final answer
    x = 70,296.95

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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.