Home / 57,226.32-78,972.49-31,734.48

Finding the Fourth Proportional to 57,226.32, 78,972.49 and 31,734.48

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Solution

The fourth proportional to 57,226.32, 78,972.49 and 31,734.48 is: 43,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.32 : 78,972.49 = 31,734.48 : x
  2. Step 2: Convert to fraction form
    57,226.32/78,972.49 = 31,734.48/x
  3. Step 3: Cross multiply
    57,226.32x = 78,972.49 × 31,734.48
  4. Step 4: Simplify right side
    57,226.32x = 2,506,150,745.78
  5. Step 5: Solve for x
    x = 2,506,150,745.78/57,226.32
  6. Step 6: Final answer
    x = 43,793.68

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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.