Home / 57,170.34-85,764.59-17,719.29

Finding the Fourth Proportional to 57,170.34, 85,764.59 and 17,719.29

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Solution

The fourth proportional to 57,170.34, 85,764.59 and 17,719.29 is: 26,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.34 : 85,764.59 = 17,719.29 : x
  2. Step 2: Convert to fraction form
    57,170.34/85,764.59 = 17,719.29/x
  3. Step 3: Cross multiply
    57,170.34x = 85,764.59 × 17,719.29
  4. Step 4: Simplify right side
    57,170.34x = 1,519,687,641.94
  5. Step 5: Solve for x
    x = 1,519,687,641.94/57,170.34
  6. Step 6: Final answer
    x = 26,581.75

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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.