Home / 84,949.82-127,426.49-30,912.65

Finding the Fourth Proportional to 84,949.82, 127,426.49 and 30,912.65

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Solution

The fourth proportional to 84,949.82, 127,426.49 and 30,912.65 is: 46,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,949.82 : 127,426.49 = 30,912.65 : x
  2. Step 2: Convert to fraction form
    84,949.82/127,426.49 = 30,912.65/x
  3. Step 3: Cross multiply
    84,949.82x = 127,426.49 × 30,912.65
  4. Step 4: Simplify right side
    84,949.82x = 3,939,090,331.54
  5. Step 5: Solve for x
    x = 3,939,090,331.54/84,949.82
  6. Step 6: Final answer
    x = 46,369.61

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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.