Home / 71,156.11-98,195.55-39,325

Finding the Fourth Proportional to 71,156.11, 98,195.55 and 39,325

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Solution

The fourth proportional to 71,156.11, 98,195.55 and 39,325 is: 54,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,156.11 : 98,195.55 = 39,325 : x
  2. Step 2: Convert to fraction form
    71,156.11/98,195.55 = 39,325/x
  3. Step 3: Cross multiply
    71,156.11x = 98,195.55 × 39,325
  4. Step 4: Simplify right side
    71,156.11x = 3,861,540,003.75
  5. Step 5: Solve for x
    x = 3,861,540,003.75/71,156.11
  6. Step 6: Final answer
    x = 54,268.57

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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.