Home / 103,786.62-155,673.45-41,412.30

Finding the Fourth Proportional to 103,786.62, 155,673.45 and 41,412.30

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Solution

The fourth proportional to 103,786.62, 155,673.45 and 41,412.30 is: 62,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,786.62 : 155,673.45 = 41,412.30 : x
  2. Step 2: Convert to fraction form
    103,786.62/155,673.45 = 41,412.30/x
  3. Step 3: Cross multiply
    103,786.62x = 155,673.45 × 41,412.30
  4. Step 4: Simplify right side
    103,786.62x = 6,446,795,613.44
  5. Step 5: Solve for x
    x = 6,446,795,613.44/103,786.62
  6. Step 6: Final answer
    x = 62,115.86

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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.