Home / 104,727.38-155,906.52-104,104.59

Finding the Fourth Proportional to 104,727.38, 155,906.52 and 104,104.59

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Solution

The fourth proportional to 104,727.38, 155,906.52 and 104,104.59 is: 154,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.38 : 155,906.52 = 104,104.59 : x
  2. Step 2: Convert to fraction form
    104,727.38/155,906.52 = 104,104.59/x
  3. Step 3: Cross multiply
    104,727.38x = 155,906.52 × 104,104.59
  4. Step 4: Simplify right side
    104,727.38x = 16,230,584,830.45
  5. Step 5: Solve for x
    x = 16,230,584,830.45/104,727.38
  6. Step 6: Final answer
    x = 154,979.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.