Home / 89,827.80-123,965.44-49,542.80

Finding the Fourth Proportional to 89,827.80, 123,965.44 and 49,542.80

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Solution

The fourth proportional to 89,827.80, 123,965.44 and 49,542.80 is: 68,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827.80 : 123,965.44 = 49,542.80 : x
  2. Step 2: Convert to fraction form
    89,827.80/123,965.44 = 49,542.80/x
  3. Step 3: Cross multiply
    89,827.80x = 123,965.44 × 49,542.80
  4. Step 4: Simplify right side
    89,827.80x = 6,141,595,000.83
  5. Step 5: Solve for x
    x = 6,141,595,000.83/89,827.80
  6. Step 6: Final answer
    x = 68,370.76

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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.