Home / 119,743.75-165,244.55-66,027.39

Finding the Fourth Proportional to 119,743.75, 165,244.55 and 66,027.39

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Solution

The fourth proportional to 119,743.75, 165,244.55 and 66,027.39 is: 91,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,743.75 : 165,244.55 = 66,027.39 : x
  2. Step 2: Convert to fraction form
    119,743.75/165,244.55 = 66,027.39/x
  3. Step 3: Cross multiply
    119,743.75x = 165,244.55 × 66,027.39
  4. Step 4: Simplify right side
    119,743.75x = 10,910,666,348.22
  5. Step 5: Solve for x
    x = 10,910,666,348.22/119,743.75
  6. Step 6: Final answer
    x = 91,116.79

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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.