Home / 54,311.20-81,466.80-50,374.60

Finding the Fourth Proportional to 54,311.20, 81,466.80 and 50,374.60

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Solution

The fourth proportional to 54,311.20, 81,466.80 and 50,374.60 is: 75,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.20 : 81,466.80 = 50,374.60 : x
  2. Step 2: Convert to fraction form
    54,311.20/81,466.80 = 50,374.60/x
  3. Step 3: Cross multiply
    54,311.20x = 81,466.80 × 50,374.60
  4. Step 4: Simplify right side
    54,311.20x = 4,103,857,463.28
  5. Step 5: Solve for x
    x = 4,103,857,463.28/54,311.20
  6. Step 6: Final answer
    x = 75,561.90

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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.