Home / 103,922.80-155,653.80-41,561.20

Finding the Fourth Proportional to 103,922.80, 155,653.80 and 41,561.20

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Solution

The fourth proportional to 103,922.80, 155,653.80 and 41,561.20 is: 62,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922.80 : 155,653.80 = 41,561.20 : x
  2. Step 2: Convert to fraction form
    103,922.80/155,653.80 = 41,561.20/x
  3. Step 3: Cross multiply
    103,922.80x = 155,653.80 × 41,561.20
  4. Step 4: Simplify right side
    103,922.80x = 6,469,158,712.56
  5. Step 5: Solve for x
    x = 6,469,158,712.56/103,922.80
  6. Step 6: Final answer
    x = 62,249.66

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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.