Home / 103,219.08-154,791.46-35,732.78

Finding the Fourth Proportional to 103,219.08, 154,791.46 and 35,732.78

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Solution

The fourth proportional to 103,219.08, 154,791.46 and 35,732.78 is: 53,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,219.08 : 154,791.46 = 35,732.78 : x
  2. Step 2: Convert to fraction form
    103,219.08/154,791.46 = 35,732.78/x
  3. Step 3: Cross multiply
    103,219.08x = 154,791.46 × 35,732.78
  4. Step 4: Simplify right side
    103,219.08x = 5,531,128,836.24
  5. Step 5: Solve for x
    x = 5,531,128,836.24/103,219.08
  6. Step 6: Final answer
    x = 53,586.30

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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.