Home / 54,409.20-81,516.60-44,494.80

Finding the Fourth Proportional to 54,409.20, 81,516.60 and 44,494.80

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Solution

The fourth proportional to 54,409.20, 81,516.60 and 44,494.80 is: 66,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409.20 : 81,516.60 = 44,494.80 : x
  2. Step 2: Convert to fraction form
    54,409.20/81,516.60 = 44,494.80/x
  3. Step 3: Cross multiply
    54,409.20x = 81,516.60 × 44,494.80
  4. Step 4: Simplify right side
    54,409.20x = 3,627,064,813.68
  5. Step 5: Solve for x
    x = 3,627,064,813.68/54,409.20
  6. Step 6: Final answer
    x = 66,662.71

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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.