Home / 103,822.56-155,707.92-33,721.92

Finding the Fourth Proportional to 103,822.56, 155,707.92 and 33,721.92

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Solution

The fourth proportional to 103,822.56, 155,707.92 and 33,721.92 is: 50,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,822.56 : 155,707.92 = 33,721.92 : x
  2. Step 2: Convert to fraction form
    103,822.56/155,707.92 = 33,721.92/x
  3. Step 3: Cross multiply
    103,822.56x = 155,707.92 × 33,721.92
  4. Step 4: Simplify right side
    103,822.56x = 5,250,770,021.61
  5. Step 5: Solve for x
    x = 5,250,770,021.61/103,822.56
  6. Step 6: Final answer
    x = 50,574.46

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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.