Home / 100,620.64-150,936.13-25,741.44

Finding the Fourth Proportional to 100,620.64, 150,936.13 and 25,741.44

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Solution

The fourth proportional to 100,620.64, 150,936.13 and 25,741.44 is: 38,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,620.64 : 150,936.13 = 25,741.44 : x
  2. Step 2: Convert to fraction form
    100,620.64/150,936.13 = 25,741.44/x
  3. Step 3: Cross multiply
    100,620.64x = 150,936.13 × 25,741.44
  4. Step 4: Simplify right side
    100,620.64x = 3,885,312,722.15
  5. Step 5: Solve for x
    x = 3,885,312,722.15/100,620.64
  6. Step 6: Final answer
    x = 38,613.48

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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.