Home / 119,747.75-165,248.10-66,035.03

Finding the Fourth Proportional to 119,747.75, 165,248.10 and 66,035.03

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Solution

The fourth proportional to 119,747.75, 165,248.10 and 66,035.03 is: 91,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,747.75 : 165,248.10 = 66,035.03 : x
  2. Step 2: Convert to fraction form
    119,747.75/165,248.10 = 66,035.03/x
  3. Step 3: Cross multiply
    119,747.75x = 165,248.10 × 66,035.03
  4. Step 4: Simplify right side
    119,747.75x = 10,912,162,414.70
  5. Step 5: Solve for x
    x = 10,912,162,414.70/119,747.75
  6. Step 6: Final answer
    x = 91,126.25

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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.