Home / 103,414.08-155,154.56-50,786.66

Finding the Fourth Proportional to 103,414.08, 155,154.56 and 50,786.66

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Solution

The fourth proportional to 103,414.08, 155,154.56 and 50,786.66 is: 76,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,414.08 : 155,154.56 = 50,786.66 : x
  2. Step 2: Convert to fraction form
    103,414.08/155,154.56 = 50,786.66/x
  3. Step 3: Cross multiply
    103,414.08x = 155,154.56 × 50,786.66
  4. Step 4: Simplify right side
    103,414.08x = 7,879,782,020.12
  5. Step 5: Solve for x
    x = 7,879,782,020.12/103,414.08
  6. Step 6: Final answer
    x = 76,196.41

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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.