Home / 119,584.78-165,023.46-65,869.66

Finding the Fourth Proportional to 119,584.78, 165,023.46 and 65,869.66

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Solution

The fourth proportional to 119,584.78, 165,023.46 and 65,869.66 is: 90,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,584.78 : 165,023.46 = 65,869.66 : x
  2. Step 2: Convert to fraction form
    119,584.78/165,023.46 = 65,869.66/x
  3. Step 3: Cross multiply
    119,584.78x = 165,023.46 × 65,869.66
  4. Step 4: Simplify right side
    119,584.78x = 10,870,039,202.22
  5. Step 5: Solve for x
    x = 10,870,039,202.22/119,584.78
  6. Step 6: Final answer
    x = 90,898.18

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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.