Home / 57,872.94-79,865.37-32,721.90

Finding the Fourth Proportional to 57,872.94, 79,865.37 and 32,721.90

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Solution

The fourth proportional to 57,872.94, 79,865.37 and 32,721.90 is: 45,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,872.94 : 79,865.37 = 32,721.90 : x
  2. Step 2: Convert to fraction form
    57,872.94/79,865.37 = 32,721.90/x
  3. Step 3: Cross multiply
    57,872.94x = 79,865.37 × 32,721.90
  4. Step 4: Simplify right side
    57,872.94x = 2,613,346,650.60
  5. Step 5: Solve for x
    x = 2,613,346,650.60/57,872.94
  6. Step 6: Final answer
    x = 45,156.63

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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.