Home / 65,717.20-98,640.60-32,474.80

Finding the Fourth Proportional to 65,717.20, 98,640.60 and 32,474.80

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Solution

The fourth proportional to 65,717.20, 98,640.60 and 32,474.80 is: 48,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.20 : 98,640.60 = 32,474.80 : x
  2. Step 2: Convert to fraction form
    65,717.20/98,640.60 = 32,474.80/x
  3. Step 3: Cross multiply
    65,717.20x = 98,640.60 × 32,474.80
  4. Step 4: Simplify right side
    65,717.20x = 3,203,333,756.88
  5. Step 5: Solve for x
    x = 3,203,333,756.88/65,717.20
  6. Step 6: Final answer
    x = 48,744.22

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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.