Home / 90,426.06-124,791.96-50,137.26

Finding the Fourth Proportional to 90,426.06, 124,791.96 and 50,137.26

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Solution

The fourth proportional to 90,426.06, 124,791.96 and 50,137.26 is: 69,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,426.06 : 124,791.96 = 50,137.26 : x
  2. Step 2: Convert to fraction form
    90,426.06/124,791.96 = 50,137.26/x
  3. Step 3: Cross multiply
    90,426.06x = 124,791.96 × 50,137.26
  4. Step 4: Simplify right side
    90,426.06x = 6,256,726,944.43
  5. Step 5: Solve for x
    x = 6,256,726,944.43/90,426.06
  6. Step 6: Final answer
    x = 69,191.64

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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.