Home / 83,610.75-115,375.19-49,613.38

Finding the Fourth Proportional to 83,610.75, 115,375.19 and 49,613.38

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Solution

The fourth proportional to 83,610.75, 115,375.19 and 49,613.38 is: 68,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,610.75 : 115,375.19 = 49,613.38 : x
  2. Step 2: Convert to fraction form
    83,610.75/115,375.19 = 49,613.38/x
  3. Step 3: Cross multiply
    83,610.75x = 115,375.19 × 49,613.38
  4. Step 4: Simplify right side
    83,610.75x = 5,724,153,144.04
  5. Step 5: Solve for x
    x = 5,724,153,144.04/83,610.75
  6. Step 6: Final answer
    x = 68,461.93

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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.