Home / 103,669.20-155,470.32-33,531.84

Finding the Fourth Proportional to 103,669.20, 155,470.32 and 33,531.84

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Solution

The fourth proportional to 103,669.20, 155,470.32 and 33,531.84 is: 50,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.20 : 155,470.32 = 33,531.84 : x
  2. Step 2: Convert to fraction form
    103,669.20/155,470.32 = 33,531.84/x
  3. Step 3: Cross multiply
    103,669.20x = 155,470.32 × 33,531.84
  4. Step 4: Simplify right side
    103,669.20x = 5,213,205,894.99
  5. Step 5: Solve for x
    x = 5,213,205,894.99/103,669.20
  6. Step 6: Final answer
    x = 50,286.93

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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.