Home / 57,082.22-78,789.30-33,213.51

Finding the Fourth Proportional to 57,082.22, 78,789.30 and 33,213.51

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Solution

The fourth proportional to 57,082.22, 78,789.30 and 33,213.51 is: 45,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.22 : 78,789.30 = 33,213.51 : x
  2. Step 2: Convert to fraction form
    57,082.22/78,789.30 = 33,213.51/x
  3. Step 3: Cross multiply
    57,082.22x = 78,789.30 × 33,213.51
  4. Step 4: Simplify right side
    57,082.22x = 2,616,869,203.44
  5. Step 5: Solve for x
    x = 2,616,869,203.44/57,082.22
  6. Step 6: Final answer
    x = 45,843.86

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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.