Home / 57,932.20-79,958.92-35,278.68

Finding the Fourth Proportional to 57,932.20, 79,958.92 and 35,278.68

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Solution

The fourth proportional to 57,932.20, 79,958.92 and 35,278.68 is: 48,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,932.20 : 79,958.92 = 35,278.68 : x
  2. Step 2: Convert to fraction form
    57,932.20/79,958.92 = 35,278.68/x
  3. Step 3: Cross multiply
    57,932.20x = 79,958.92 × 35,278.68
  4. Step 4: Simplify right side
    57,932.20x = 2,820,845,151.83
  5. Step 5: Solve for x
    x = 2,820,845,151.83/57,932.20
  6. Step 6: Final answer
    x = 48,692.18

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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.