Home / 71,578.08-107,352.54-27,189.27

Finding the Fourth Proportional to 71,578.08, 107,352.54 and 27,189.27

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Solution

The fourth proportional to 71,578.08, 107,352.54 and 27,189.27 is: 40,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,578.08 : 107,352.54 = 27,189.27 : x
  2. Step 2: Convert to fraction form
    71,578.08/107,352.54 = 27,189.27/x
  3. Step 3: Cross multiply
    71,578.08x = 107,352.54 × 27,189.27
  4. Step 4: Simplify right side
    71,578.08x = 2,918,837,195.25
  5. Step 5: Solve for x
    x = 2,918,837,195.25/71,578.08
  6. Step 6: Final answer
    x = 40,778.37

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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.