Home / 103,221.11-154,794.54-35,734.82

Finding the Fourth Proportional to 103,221.11, 154,794.54 and 35,734.82

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Solution

The fourth proportional to 103,221.11, 154,794.54 and 35,734.82 is: 53,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,221.11 : 154,794.54 = 35,734.82 : x
  2. Step 2: Convert to fraction form
    103,221.11/154,794.54 = 35,734.82/x
  3. Step 3: Cross multiply
    103,221.11x = 154,794.54 × 35,734.82
  4. Step 4: Simplify right side
    103,221.11x = 5,531,555,023.88
  5. Step 5: Solve for x
    x = 5,531,555,023.88/103,221.11
  6. Step 6: Final answer
    x = 53,589.38

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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.