Home / 104,081.80-143,594.46-68,291.68

Finding the Fourth Proportional to 104,081.80, 143,594.46 and 68,291.68

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Solution

The fourth proportional to 104,081.80, 143,594.46 and 68,291.68 is: 94,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,081.80 : 143,594.46 = 68,291.68 : x
  2. Step 2: Convert to fraction form
    104,081.80/143,594.46 = 68,291.68/x
  3. Step 3: Cross multiply
    104,081.80x = 143,594.46 × 68,291.68
  4. Step 4: Simplify right side
    104,081.80x = 9,806,306,912.09
  5. Step 5: Solve for x
    x = 9,806,306,912.09/104,081.80
  6. Step 6: Final answer
    x = 94,217.31

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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.