Home / 75,458.03-113,168.34-27,418.68

Finding the Fourth Proportional to 75,458.03, 113,168.34 and 27,418.68

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Solution

The fourth proportional to 75,458.03, 113,168.34 and 27,418.68 is: 41,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.03 : 113,168.34 = 27,418.68 : x
  2. Step 2: Convert to fraction form
    75,458.03/113,168.34 = 27,418.68/x
  3. Step 3: Cross multiply
    75,458.03x = 113,168.34 × 27,418.68
  4. Step 4: Simplify right side
    75,458.03x = 3,102,926,500.59
  5. Step 5: Solve for x
    x = 3,102,926,500.59/75,458.03
  6. Step 6: Final answer
    x = 41,121.23

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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.