Home / 90,400.24-124,743.94-50,110.56

Finding the Fourth Proportional to 90,400.24, 124,743.94 and 50,110.56

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Solution

The fourth proportional to 90,400.24, 124,743.94 and 50,110.56 is: 69,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,400.24 : 124,743.94 = 50,110.56 : x
  2. Step 2: Convert to fraction form
    90,400.24/124,743.94 = 50,110.56/x
  3. Step 3: Cross multiply
    90,400.24x = 124,743.94 × 50,110.56
  4. Step 4: Simplify right side
    90,400.24x = 6,250,988,690.01
  5. Step 5: Solve for x
    x = 6,250,988,690.01/90,400.24
  6. Step 6: Final answer
    x = 69,147.92

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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.