Home / 83,868.48-115,613.28-55,524.96

Finding the Fourth Proportional to 83,868.48, 115,613.28 and 55,524.96

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Solution

The fourth proportional to 83,868.48, 115,613.28 and 55,524.96 is: 76,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868.48 : 115,613.28 = 55,524.96 : x
  2. Step 2: Convert to fraction form
    83,868.48/115,613.28 = 55,524.96/x
  3. Step 3: Cross multiply
    83,868.48x = 115,613.28 × 55,524.96
  4. Step 4: Simplify right side
    83,868.48x = 6,419,422,747.47
  5. Step 5: Solve for x
    x = 6,419,422,747.47/83,868.48
  6. Step 6: Final answer
    x = 76,541.54

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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.