Home / 103,691.28-155,504.46-33,556.08

Finding the Fourth Proportional to 103,691.28, 155,504.46 and 33,556.08

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Solution

The fourth proportional to 103,691.28, 155,504.46 and 33,556.08 is: 50,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.28 : 155,504.46 = 33,556.08 : x
  2. Step 2: Convert to fraction form
    103,691.28/155,504.46 = 33,556.08/x
  3. Step 3: Cross multiply
    103,691.28x = 155,504.46 × 33,556.08
  4. Step 4: Simplify right side
    103,691.28x = 5,218,120,100.12
  5. Step 5: Solve for x
    x = 5,218,120,100.12/103,691.28
  6. Step 6: Final answer
    x = 50,323.62

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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.