Home / 106,211.15-159,344.11-39,651.83

Finding the Fourth Proportional to 106,211.15, 159,344.11 and 39,651.83

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Solution

The fourth proportional to 106,211.15, 159,344.11 and 39,651.83 is: 59,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,211.15 : 159,344.11 = 39,651.83 : x
  2. Step 2: Convert to fraction form
    106,211.15/159,344.11 = 39,651.83/x
  3. Step 3: Cross multiply
    106,211.15x = 159,344.11 × 39,651.83
  4. Step 4: Simplify right side
    106,211.15x = 6,318,285,411.61
  5. Step 5: Solve for x
    x = 6,318,285,411.61/106,211.15
  6. Step 6: Final answer
    x = 59,487.97

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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.