Home / 113,517.35-170,274.19-38,689.60

Finding the Fourth Proportional to 113,517.35, 170,274.19 and 38,689.60

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Solution

The fourth proportional to 113,517.35, 170,274.19 and 38,689.60 is: 58,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,517.35 : 170,274.19 = 38,689.60 : x
  2. Step 2: Convert to fraction form
    113,517.35/170,274.19 = 38,689.60/x
  3. Step 3: Cross multiply
    113,517.35x = 170,274.19 × 38,689.60
  4. Step 4: Simplify right side
    113,517.35x = 6,587,839,450.05
  5. Step 5: Solve for x
    x = 6,587,839,450.05/113,517.35
  6. Step 6: Final answer
    x = 58,033.77

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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.