Home / 90,249.73-124,540.59-49,960.65

Finding the Fourth Proportional to 90,249.73, 124,540.59 and 49,960.65

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Solution

The fourth proportional to 90,249.73, 124,540.59 and 49,960.65 is: 68,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,249.73 : 124,540.59 = 49,960.65 : x
  2. Step 2: Convert to fraction form
    90,249.73/124,540.59 = 49,960.65/x
  3. Step 3: Cross multiply
    90,249.73x = 124,540.59 × 49,960.65
  4. Step 4: Simplify right side
    90,249.73x = 6,222,128,827.78
  5. Step 5: Solve for x
    x = 6,222,128,827.78/90,249.73
  6. Step 6: Final answer
    x = 68,943.46

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1.5x scale

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.