Home / 103,821.92-155,659.07-49,724.66

Finding the Fourth Proportional to 103,821.92, 155,659.07 and 49,724.66

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Solution

The fourth proportional to 103,821.92, 155,659.07 and 49,724.66 is: 74,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,821.92 : 155,659.07 = 49,724.66 : x
  2. Step 2: Convert to fraction form
    103,821.92/155,659.07 = 49,724.66/x
  3. Step 3: Cross multiply
    103,821.92x = 155,659.07 × 49,724.66
  4. Step 4: Simplify right side
    103,821.92x = 7,740,093,677.68
  5. Step 5: Solve for x
    x = 7,740,093,677.68/103,821.92
  6. Step 6: Final answer
    x = 74,551.63

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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.