Home / 123,455.82-185,145.42-44,559.78

Finding the Fourth Proportional to 123,455.82, 185,145.42 and 44,559.78

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Solution

The fourth proportional to 123,455.82, 185,145.42 and 44,559.78 is: 66,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,455.82 : 185,145.42 = 44,559.78 : x
  2. Step 2: Convert to fraction form
    123,455.82/185,145.42 = 44,559.78/x
  3. Step 3: Cross multiply
    123,455.82x = 185,145.42 × 44,559.78
  4. Step 4: Simplify right side
    123,455.82x = 8,250,039,183.21
  5. Step 5: Solve for x
    x = 8,250,039,183.21/123,455.82
  6. Step 6: Final answer
    x = 66,825.84

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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.