Home / 81,627.39-122,385.19-41,568.83

Finding the Fourth Proportional to 81,627.39, 122,385.19 and 41,568.83

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Solution

The fourth proportional to 81,627.39, 122,385.19 and 41,568.83 is: 62,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,627.39 : 122,385.19 = 41,568.83 : x
  2. Step 2: Convert to fraction form
    81,627.39/122,385.19 = 41,568.83/x
  3. Step 3: Cross multiply
    81,627.39x = 122,385.19 × 41,568.83
  4. Step 4: Simplify right side
    81,627.39x = 5,087,409,157.63
  5. Step 5: Solve for x
    x = 5,087,409,157.63/81,627.39
  6. Step 6: Final answer
    x = 62,324.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.