Home / 103,713.11-155,517.52-60,449.97

Finding the Fourth Proportional to 103,713.11, 155,517.52 and 60,449.97

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Solution

The fourth proportional to 103,713.11, 155,517.52 and 60,449.97 is: 90,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,713.11 : 155,517.52 = 60,449.97 : x
  2. Step 2: Convert to fraction form
    103,713.11/155,517.52 = 60,449.97/x
  3. Step 3: Cross multiply
    103,713.11x = 155,517.52 × 60,449.97
  4. Step 4: Simplify right side
    103,713.11x = 9,401,029,526.49
  5. Step 5: Solve for x
    x = 9,401,029,526.49/103,713.11
  6. Step 6: Final answer
    x = 90,644.56

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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.