Home / 106,230.91-159,346.76-39,670.33

Finding the Fourth Proportional to 106,230.91, 159,346.76 and 39,670.33

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Solution

The fourth proportional to 106,230.91, 159,346.76 and 39,670.33 is: 59,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,230.91 : 159,346.76 = 39,670.33 : x
  2. Step 2: Convert to fraction form
    106,230.91/159,346.76 = 39,670.33/x
  3. Step 3: Cross multiply
    106,230.91x = 159,346.76 × 39,670.33
  4. Step 4: Simplify right side
    106,230.91x = 6,321,338,553.63
  5. Step 5: Solve for x
    x = 6,321,338,553.63/106,230.91
  6. Step 6: Final answer
    x = 59,505.64

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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.