Home / 87,046.22-120,082.83-63,120.44

Finding the Fourth Proportional to 87,046.22, 120,082.83 and 63,120.44

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Solution

The fourth proportional to 87,046.22, 120,082.83 and 63,120.44 is: 87,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,046.22 : 120,082.83 = 63,120.44 : x
  2. Step 2: Convert to fraction form
    87,046.22/120,082.83 = 63,120.44/x
  3. Step 3: Cross multiply
    87,046.22x = 120,082.83 × 63,120.44
  4. Step 4: Simplify right side
    87,046.22x = 7,579,681,066.05
  5. Step 5: Solve for x
    x = 7,579,681,066.05/87,046.22
  6. Step 6: Final answer
    x = 87,076.51

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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.