Home / 54,286.20-81,332.10-44,371.80

Finding the Fourth Proportional to 54,286.20, 81,332.10 and 44,371.80

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Solution

The fourth proportional to 54,286.20, 81,332.10 and 44,371.80 is: 66,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.20 : 81,332.10 = 44,371.80 : x
  2. Step 2: Convert to fraction form
    54,286.20/81,332.10 = 44,371.80/x
  3. Step 3: Cross multiply
    54,286.20x = 81,332.10 × 44,371.80
  4. Step 4: Simplify right side
    54,286.20x = 3,608,851,674.78
  5. Step 5: Solve for x
    x = 3,608,851,674.78/54,286.20
  6. Step 6: Final answer
    x = 66,478.25

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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.