Home / 281,629.44-422,440.50-68,399.10

Finding the Fourth Proportional to 281,629.44, 422,440.50 and 68,399.10

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Solution

The fourth proportional to 281,629.44, 422,440.50 and 68,399.10 is: 102,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,629.44 : 422,440.50 = 68,399.10 : x
  2. Step 2: Convert to fraction form
    281,629.44/422,440.50 = 68,399.10/x
  3. Step 3: Cross multiply
    281,629.44x = 422,440.50 × 68,399.10
  4. Step 4: Simplify right side
    281,629.44x = 28,894,550,003.55
  5. Step 5: Solve for x
    x = 28,894,550,003.55/281,629.44
  6. Step 6: Final answer
    x = 102,597.76

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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.