Home / 85,199.20-117,575.38-49,410.44

Finding the Fourth Proportional to 85,199.20, 117,575.38 and 49,410.44

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Solution

The fourth proportional to 85,199.20, 117,575.38 and 49,410.44 is: 68,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,199.20 : 117,575.38 = 49,410.44 : x
  2. Step 2: Convert to fraction form
    85,199.20/117,575.38 = 49,410.44/x
  3. Step 3: Cross multiply
    85,199.20x = 117,575.38 × 49,410.44
  4. Step 4: Simplify right side
    85,199.20x = 5,809,451,258.97
  5. Step 5: Solve for x
    x = 5,809,451,258.97/85,199.20
  6. Step 6: Final answer
    x = 68,186.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.