Home / 106,193.89-159,318.53-39,634.57

Finding the Fourth Proportional to 106,193.89, 159,318.53 and 39,634.57

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Solution

The fourth proportional to 106,193.89, 159,318.53 and 39,634.57 is: 59,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,193.89 : 159,318.53 = 39,634.57 : x
  2. Step 2: Convert to fraction form
    106,193.89/159,318.53 = 39,634.57/x
  3. Step 3: Cross multiply
    106,193.89x = 159,318.53 × 39,634.57
  4. Step 4: Simplify right side
    106,193.89x = 6,314,521,429.58
  5. Step 5: Solve for x
    x = 6,314,521,429.58/106,193.89
  6. Step 6: Final answer
    x = 59,462.19

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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.