Home / 106,529.66-159,788.22-39,964.21

Finding the Fourth Proportional to 106,529.66, 159,788.22 and 39,964.21

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Solution

The fourth proportional to 106,529.66, 159,788.22 and 39,964.21 is: 59,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,529.66 : 159,788.22 = 39,964.21 : x
  2. Step 2: Convert to fraction form
    106,529.66/159,788.22 = 39,964.21/x
  3. Step 3: Cross multiply
    106,529.66x = 159,788.22 × 39,964.21
  4. Step 4: Simplify right side
    106,529.66x = 6,385,809,992.07
  5. Step 5: Solve for x
    x = 6,385,809,992.07/106,529.66
  6. Step 6: Final answer
    x = 59,943.97

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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.