Home / 49,725.23-68,616.99-31,574.61

Finding the Fourth Proportional to 49,725.23, 68,616.99 and 31,574.61

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Solution

The fourth proportional to 49,725.23, 68,616.99 and 31,574.61 is: 43,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,725.23 : 68,616.99 = 31,574.61 : x
  2. Step 2: Convert to fraction form
    49,725.23/68,616.99 = 31,574.61/x
  3. Step 3: Cross multiply
    49,725.23x = 68,616.99 × 31,574.61
  4. Step 4: Simplify right side
    49,725.23x = 2,166,554,698.62
  5. Step 5: Solve for x
    x = 2,166,554,698.62/49,725.23
  6. Step 6: Final answer
    x = 43,570.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.