Home / 90,398.27-124,736.49-50,112

Finding the Fourth Proportional to 90,398.27, 124,736.49 and 50,112

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Solution

The fourth proportional to 90,398.27, 124,736.49 and 50,112 is: 69,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,398.27 : 124,736.49 = 50,112 : x
  2. Step 2: Convert to fraction form
    90,398.27/124,736.49 = 50,112/x
  3. Step 3: Cross multiply
    90,398.27x = 124,736.49 × 50,112
  4. Step 4: Simplify right side
    90,398.27x = 6,250,794,986.88
  5. Step 5: Solve for x
    x = 6,250,794,986.88/90,398.27
  6. Step 6: Final answer
    x = 69,147.29

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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.