Home / 119,795.50-165,318.57-66,081.97

Finding the Fourth Proportional to 119,795.50, 165,318.57 and 66,081.97

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Solution

The fourth proportional to 119,795.50, 165,318.57 and 66,081.97 is: 91,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,795.50 : 165,318.57 = 66,081.97 : x
  2. Step 2: Convert to fraction form
    119,795.50/165,318.57 = 66,081.97/x
  3. Step 3: Cross multiply
    119,795.50x = 165,318.57 × 66,081.97
  4. Step 4: Simplify right side
    119,795.50x = 10,924,576,783.18
  5. Step 5: Solve for x
    x = 10,924,576,783.18/119,795.50
  6. Step 6: Final answer
    x = 91,193.55

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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.