Home / 90,469.26-124,849.58-50,181.72

Finding the Fourth Proportional to 90,469.26, 124,849.58 and 50,181.72

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Solution

The fourth proportional to 90,469.26, 124,849.58 and 50,181.72 is: 69,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,469.26 : 124,849.58 = 50,181.72 : x
  2. Step 2: Convert to fraction form
    90,469.26/124,849.58 = 50,181.72/x
  3. Step 3: Cross multiply
    90,469.26x = 124,849.58 × 50,181.72
  4. Step 4: Simplify right side
    90,469.26x = 6,265,166,665.68
  5. Step 5: Solve for x
    x = 6,265,166,665.68/90,469.26
  6. Step 6: Final answer
    x = 69,251.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.