Home / 108,760.70-163,148.82-45,517.14

Finding the Fourth Proportional to 108,760.70, 163,148.82 and 45,517.14

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Solution

The fourth proportional to 108,760.70, 163,148.82 and 45,517.14 is: 68,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,760.70 : 163,148.82 = 45,517.14 : x
  2. Step 2: Convert to fraction form
    108,760.70/163,148.82 = 45,517.14/x
  3. Step 3: Cross multiply
    108,760.70x = 163,148.82 × 45,517.14
  4. Step 4: Simplify right side
    108,760.70x = 7,426,067,680.77
  5. Step 5: Solve for x
    x = 7,426,067,680.77/108,760.70
  6. Step 6: Final answer
    x = 68,278.96

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1.5x scale

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.