Home / 83,734.56-126,177.84-69,269.04

Finding the Fourth Proportional to 83,734.56, 126,177.84 and 69,269.04

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Solution

The fourth proportional to 83,734.56, 126,177.84 and 69,269.04 is: 104,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.56 : 126,177.84 = 69,269.04 : x
  2. Step 2: Convert to fraction form
    83,734.56/126,177.84 = 69,269.04/x
  3. Step 3: Cross multiply
    83,734.56x = 126,177.84 × 69,269.04
  4. Step 4: Simplify right side
    83,734.56x = 8,740,217,846.07
  5. Step 5: Solve for x
    x = 8,740,217,846.07/83,734.56
  6. Step 6: Final answer
    x = 104,380.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.