Home / 106,869.24-159,968.52-71,260.56

Finding the Fourth Proportional to 106,869.24, 159,968.52 and 71,260.56

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Solution

The fourth proportional to 106,869.24, 159,968.52 and 71,260.56 is: 106,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.24 : 159,968.52 = 71,260.56 : x
  2. Step 2: Convert to fraction form
    106,869.24/159,968.52 = 71,260.56/x
  3. Step 3: Cross multiply
    106,869.24x = 159,968.52 × 71,260.56
  4. Step 4: Simplify right side
    106,869.24x = 11,399,446,317.57
  5. Step 5: Solve for x
    x = 11,399,446,317.57/106,869.24
  6. Step 6: Final answer
    x = 106,667.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.