Home / 107,992.11-149,028.69-60,245.43

Finding the Fourth Proportional to 107,992.11, 149,028.69 and 60,245.43

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Solution

The fourth proportional to 107,992.11, 149,028.69 and 60,245.43 is: 83,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,992.11 : 149,028.69 = 60,245.43 : x
  2. Step 2: Convert to fraction form
    107,992.11/149,028.69 = 60,245.43/x
  3. Step 3: Cross multiply
    107,992.11x = 149,028.69 × 60,245.43
  4. Step 4: Simplify right side
    107,992.11x = 8,978,297,511.39
  5. Step 5: Solve for x
    x = 8,978,297,511.39/107,992.11
  6. Step 6: Final answer
    x = 83,138.46

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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.