Home / 57,170.09-85,764.22-17,719.04

Finding the Fourth Proportional to 57,170.09, 85,764.22 and 17,719.04

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Solution

The fourth proportional to 57,170.09, 85,764.22 and 17,719.04 is: 26,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.09 : 85,764.22 = 17,719.04 : x
  2. Step 2: Convert to fraction form
    57,170.09/85,764.22 = 17,719.04/x
  3. Step 3: Cross multiply
    57,170.09x = 85,764.22 × 17,719.04
  4. Step 4: Simplify right side
    57,170.09x = 1,519,659,171.63
  5. Step 5: Solve for x
    x = 1,519,659,171.63/57,170.09
  6. Step 6: Final answer
    x = 26,581.37

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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.