Home / 73,087.16-109,565.12-28,745.73

Finding the Fourth Proportional to 73,087.16, 109,565.12 and 28,745.73

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Solution

The fourth proportional to 73,087.16, 109,565.12 and 28,745.73 is: 43,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,087.16 : 109,565.12 = 28,745.73 : x
  2. Step 2: Convert to fraction form
    73,087.16/109,565.12 = 28,745.73/x
  3. Step 3: Cross multiply
    73,087.16x = 109,565.12 × 28,745.73
  4. Step 4: Simplify right side
    73,087.16x = 3,149,529,213.21
  5. Step 5: Solve for x
    x = 3,149,529,213.21/73,087.16
  6. Step 6: Final answer
    x = 43,092.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.