Home / 106,205.94-159,336.24-31,323.06

Finding the Fourth Proportional to 106,205.94, 159,336.24 and 31,323.06

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Solution

The fourth proportional to 106,205.94, 159,336.24 and 31,323.06 is: 46,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,205.94 : 159,336.24 = 31,323.06 : x
  2. Step 2: Convert to fraction form
    106,205.94/159,336.24 = 31,323.06/x
  3. Step 3: Cross multiply
    106,205.94x = 159,336.24 × 31,323.06
  4. Step 4: Simplify right side
    106,205.94x = 4,990,898,605.69
  5. Step 5: Solve for x
    x = 4,990,898,605.69/106,205.94
  6. Step 6: Final answer
    x = 46,992.65

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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.