Home / 100,622.93-150,932.85-25,742.44

Finding the Fourth Proportional to 100,622.93, 150,932.85 and 25,742.44

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Solution

The fourth proportional to 100,622.93, 150,932.85 and 25,742.44 is: 38,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,622.93 : 150,932.85 = 25,742.44 : x
  2. Step 2: Convert to fraction form
    100,622.93/150,932.85 = 25,742.44/x
  3. Step 3: Cross multiply
    100,622.93x = 150,932.85 × 25,742.44
  4. Step 4: Simplify right side
    100,622.93x = 3,885,380,072.09
  5. Step 5: Solve for x
    x = 3,885,380,072.09/100,622.93
  6. Step 6: Final answer
    x = 38,613.27

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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.