Home / 48,727.20-73,285.20-43,672.80

Finding the Fourth Proportional to 48,727.20, 73,285.20 and 43,672.80

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Solution

The fourth proportional to 48,727.20, 73,285.20 and 43,672.80 is: 65,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,727.20 : 73,285.20 = 43,672.80 : x
  2. Step 2: Convert to fraction form
    48,727.20/73,285.20 = 43,672.80/x
  3. Step 3: Cross multiply
    48,727.20x = 73,285.20 × 43,672.80
  4. Step 4: Simplify right side
    48,727.20x = 3,200,569,882.56
  5. Step 5: Solve for x
    x = 3,200,569,882.56/48,727.20
  6. Step 6: Final answer
    x = 65,683.44

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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.