Home / 103,639.88-155,464.68-33,524.66

Finding the Fourth Proportional to 103,639.88, 155,464.68 and 33,524.66

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Solution

The fourth proportional to 103,639.88, 155,464.68 and 33,524.66 is: 50,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.88 : 155,464.68 = 33,524.66 : x
  2. Step 2: Convert to fraction form
    103,639.88/155,464.68 = 33,524.66/x
  3. Step 3: Cross multiply
    103,639.88x = 155,464.68 × 33,524.66
  4. Step 4: Simplify right side
    103,639.88x = 5,211,900,539.01
  5. Step 5: Solve for x
    x = 5,211,900,539.01/103,639.88
  6. Step 6: Final answer
    x = 50,288.56

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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.