Home / 103,517.67-155,309.30-36,956.32

Finding the Fourth Proportional to 103,517.67, 155,309.30 and 36,956.32

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Solution

The fourth proportional to 103,517.67, 155,309.30 and 36,956.32 is: 55,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517.67 : 155,309.30 = 36,956.32 : x
  2. Step 2: Convert to fraction form
    103,517.67/155,309.30 = 36,956.32/x
  3. Step 3: Cross multiply
    103,517.67x = 155,309.30 × 36,956.32
  4. Step 4: Simplify right side
    103,517.67x = 5,739,660,189.78
  5. Step 5: Solve for x
    x = 5,739,660,189.78/103,517.67
  6. Step 6: Final answer
    x = 55,446.19

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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.