Home / 49,721.97-74,571.56-14,182.61

Finding the Fourth Proportional to 49,721.97, 74,571.56 and 14,182.61

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Solution

The fourth proportional to 49,721.97, 74,571.56 and 14,182.61 is: 21,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.97 : 74,571.56 = 14,182.61 : x
  2. Step 2: Convert to fraction form
    49,721.97/74,571.56 = 14,182.61/x
  3. Step 3: Cross multiply
    49,721.97x = 74,571.56 × 14,182.61
  4. Step 4: Simplify right side
    49,721.97x = 1,057,619,151.77
  5. Step 5: Solve for x
    x = 1,057,619,151.77/49,721.97
  6. Step 6: Final answer
    x = 21,270.66

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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.