Home / 54,682.20-82,023.30-54,336.60

Finding the Fourth Proportional to 54,682.20, 82,023.30 and 54,336.60

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Solution

The fourth proportional to 54,682.20, 82,023.30 and 54,336.60 is: 81,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.20 : 82,023.30 = 54,336.60 : x
  2. Step 2: Convert to fraction form
    54,682.20/82,023.30 = 54,336.60/x
  3. Step 3: Cross multiply
    54,682.20x = 82,023.30 × 54,336.60
  4. Step 4: Simplify right side
    54,682.20x = 4,456,867,242.78
  5. Step 5: Solve for x
    x = 4,456,867,242.78/54,682.20
  6. Step 6: Final answer
    x = 81,504.90

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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.