Home / 68,892.11-95,076.60-38,679.41

Finding the Fourth Proportional to 68,892.11, 95,076.60 and 38,679.41

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Solution

The fourth proportional to 68,892.11, 95,076.60 and 38,679.41 is: 53,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,892.11 : 95,076.60 = 38,679.41 : x
  2. Step 2: Convert to fraction form
    68,892.11/95,076.60 = 38,679.41/x
  3. Step 3: Cross multiply
    68,892.11x = 95,076.60 × 38,679.41
  4. Step 4: Simplify right side
    68,892.11x = 3,677,507,103.02
  5. Step 5: Solve for x
    x = 3,677,507,103.02/68,892.11
  6. Step 6: Final answer
    x = 53,380.67

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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.