Home / 65,540.67-98,085.11-40,223.37

Finding the Fourth Proportional to 65,540.67, 98,085.11 and 40,223.37

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Solution

The fourth proportional to 65,540.67, 98,085.11 and 40,223.37 is: 60,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,540.67 : 98,085.11 = 40,223.37 : x
  2. Step 2: Convert to fraction form
    65,540.67/98,085.11 = 40,223.37/x
  3. Step 3: Cross multiply
    65,540.67x = 98,085.11 × 40,223.37
  4. Step 4: Simplify right side
    65,540.67x = 3,945,313,469.90
  5. Step 5: Solve for x
    x = 3,945,313,469.90/65,540.67
  6. Step 6: Final answer
    x = 60,196.42

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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.