Home / 57,229.25-78,976.81-31,734.13

Finding the Fourth Proportional to 57,229.25, 78,976.81 and 31,734.13

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Solution

The fourth proportional to 57,229.25, 78,976.81 and 31,734.13 is: 43,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229.25 : 78,976.81 = 31,734.13 : x
  2. Step 2: Convert to fraction form
    57,229.25/78,976.81 = 31,734.13/x
  3. Step 3: Cross multiply
    57,229.25x = 78,976.81 × 31,734.13
  4. Step 4: Simplify right side
    57,229.25x = 2,506,260,435.08
  5. Step 5: Solve for x
    x = 2,506,260,435.08/57,229.25
  6. Step 6: Final answer
    x = 43,793.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.