Home / 89,613.89-123,667.17-49,327.48

Finding the Fourth Proportional to 89,613.89, 123,667.17 and 49,327.48

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Solution

The fourth proportional to 89,613.89, 123,667.17 and 49,327.48 is: 68,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,613.89 : 123,667.17 = 49,327.48 : x
  2. Step 2: Convert to fraction form
    89,613.89/123,667.17 = 49,327.48/x
  3. Step 3: Cross multiply
    89,613.89x = 123,667.17 × 49,327.48
  4. Step 4: Simplify right side
    89,613.89x = 6,100,189,854.83
  5. Step 5: Solve for x
    x = 6,100,189,854.83/89,613.89
  6. Step 6: Final answer
    x = 68,071.92

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1.5x scale

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.