Home / 69,481.42-104,170.29-32,536.78

Finding the Fourth Proportional to 69,481.42, 104,170.29 and 32,536.78

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Solution

The fourth proportional to 69,481.42, 104,170.29 and 32,536.78 is: 48,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,481.42 : 104,170.29 = 32,536.78 : x
  2. Step 2: Convert to fraction form
    69,481.42/104,170.29 = 32,536.78/x
  3. Step 3: Cross multiply
    69,481.42x = 104,170.29 × 32,536.78
  4. Step 4: Simplify right side
    69,481.42x = 3,389,365,808.27
  5. Step 5: Solve for x
    x = 3,389,365,808.27/69,481.42
  6. Step 6: Final answer
    x = 48,780.89

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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.