Home / 74,795.43-112,163.99-28,022.79

Finding the Fourth Proportional to 74,795.43, 112,163.99 and 28,022.79

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Solution

The fourth proportional to 74,795.43, 112,163.99 and 28,022.79 is: 42,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,795.43 : 112,163.99 = 28,022.79 : x
  2. Step 2: Convert to fraction form
    74,795.43/112,163.99 = 28,022.79/x
  3. Step 3: Cross multiply
    74,795.43x = 112,163.99 × 28,022.79
  4. Step 4: Simplify right side
    74,795.43x = 3,143,147,797.22
  5. Step 5: Solve for x
    x = 3,143,147,797.22/74,795.43
  6. Step 6: Final answer
    x = 42,023.26

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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.