Home / 57,939.20-79,961.28-34,053.92

Finding the Fourth Proportional to 57,939.20, 79,961.28 and 34,053.92

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Solution

The fourth proportional to 57,939.20, 79,961.28 and 34,053.92 is: 46,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.20 : 79,961.28 = 34,053.92 : x
  2. Step 2: Convert to fraction form
    57,939.20/79,961.28 = 34,053.92/x
  3. Step 3: Cross multiply
    57,939.20x = 79,961.28 × 34,053.92
  4. Step 4: Simplify right side
    57,939.20x = 2,722,995,032.22
  5. Step 5: Solve for x
    x = 2,722,995,032.22/57,939.20
  6. Step 6: Final answer
    x = 46,997.46

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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.