Home / 101,658.12-140,268.18-63,910.44

Finding the Fourth Proportional to 101,658.12, 140,268.18 and 63,910.44

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Solution

The fourth proportional to 101,658.12, 140,268.18 and 63,910.44 is: 88,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,658.12 : 140,268.18 = 63,910.44 : x
  2. Step 2: Convert to fraction form
    101,658.12/140,268.18 = 63,910.44/x
  3. Step 3: Cross multiply
    101,658.12x = 140,268.18 × 63,910.44
  4. Step 4: Simplify right side
    101,658.12x = 8,964,601,101.80
  5. Step 5: Solve for x
    x = 8,964,601,101.80/101,658.12
  6. Step 6: Final answer
    x = 88,183.82

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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.