Home / 106,229.91-159,345.26-39,669.33

Finding the Fourth Proportional to 106,229.91, 159,345.26 and 39,669.33

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Solution

The fourth proportional to 106,229.91, 159,345.26 and 39,669.33 is: 59,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,229.91 : 159,345.26 = 39,669.33 : x
  2. Step 2: Convert to fraction form
    106,229.91/159,345.26 = 39,669.33/x
  3. Step 3: Cross multiply
    106,229.91x = 159,345.26 × 39,669.33
  4. Step 4: Simplify right side
    106,229.91x = 6,321,119,504.53
  5. Step 5: Solve for x
    x = 6,321,119,504.53/106,229.91
  6. Step 6: Final answer
    x = 59,504.14

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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.