Home / 57,721.12-79,651.38-32,229.88

Finding the Fourth Proportional to 57,721.12, 79,651.38 and 32,229.88

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Solution

The fourth proportional to 57,721.12, 79,651.38 and 32,229.88 is: 44,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.12 : 79,651.38 = 32,229.88 : x
  2. Step 2: Convert to fraction form
    57,721.12/79,651.38 = 32,229.88/x
  3. Step 3: Cross multiply
    57,721.12x = 79,651.38 × 32,229.88
  4. Step 4: Simplify right side
    57,721.12x = 2,567,154,419.23
  5. Step 5: Solve for x
    x = 2,567,154,419.23/57,721.12
  6. Step 6: Final answer
    x = 44,475.13

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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.