Home / 90,022-124,230.36-50,278

Finding the Fourth Proportional to 90,022, 124,230.36 and 50,278

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Solution

The fourth proportional to 90,022, 124,230.36 and 50,278 is: 69,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,022 : 124,230.36 = 50,278 : x
  2. Step 2: Convert to fraction form
    90,022/124,230.36 = 50,278/x
  3. Step 3: Cross multiply
    90,022x = 124,230.36 × 50,278
  4. Step 4: Simplify right side
    90,022x = 6,246,054,040.08
  5. Step 5: Solve for x
    x = 6,246,054,040.08/90,022
  6. Step 6: Final answer
    x = 69,383.64

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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.