Home / 65,723.20-98,649.60-32,480.80

Finding the Fourth Proportional to 65,723.20, 98,649.60 and 32,480.80

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Solution

The fourth proportional to 65,723.20, 98,649.60 and 32,480.80 is: 48,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.20 : 98,649.60 = 32,480.80 : x
  2. Step 2: Convert to fraction form
    65,723.20/98,649.60 = 32,480.80/x
  3. Step 3: Cross multiply
    65,723.20x = 98,649.60 × 32,480.80
  4. Step 4: Simplify right side
    65,723.20x = 3,204,217,927.68
  5. Step 5: Solve for x
    x = 3,204,217,927.68/65,723.20
  6. Step 6: Final answer
    x = 48,753.22

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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.