Home / 68,144.13-102,233.21-23,771.25

Finding the Fourth Proportional to 68,144.13, 102,233.21 and 23,771.25

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Solution

The fourth proportional to 68,144.13, 102,233.21 and 23,771.25 is: 35,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,144.13 : 102,233.21 = 23,771.25 : x
  2. Step 2: Convert to fraction form
    68,144.13/102,233.21 = 23,771.25/x
  3. Step 3: Cross multiply
    68,144.13x = 102,233.21 × 23,771.25
  4. Step 4: Simplify right side
    68,144.13x = 2,430,211,074.36
  5. Step 5: Solve for x
    x = 2,430,211,074.36/68,144.13
  6. Step 6: Final answer
    x = 35,662.81

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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.