Home / 119,837.44-165,372.87-66,122.43

Finding the Fourth Proportional to 119,837.44, 165,372.87 and 66,122.43

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Solution

The fourth proportional to 119,837.44, 165,372.87 and 66,122.43 is: 91,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,837.44 : 165,372.87 = 66,122.43 : x
  2. Step 2: Convert to fraction form
    119,837.44/165,372.87 = 66,122.43/x
  3. Step 3: Cross multiply
    119,837.44x = 165,372.87 × 66,122.43
  4. Step 4: Simplify right side
    119,837.44x = 10,934,856,020.47
  5. Step 5: Solve for x
    x = 10,934,856,020.47/119,837.44
  6. Step 6: Final answer
    x = 91,247.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.