Home / 89,935.46-124,107.68-49,648.36

Finding the Fourth Proportional to 89,935.46, 124,107.68 and 49,648.36

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Solution

The fourth proportional to 89,935.46, 124,107.68 and 49,648.36 is: 68,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.46 : 124,107.68 = 49,648.36 : x
  2. Step 2: Convert to fraction form
    89,935.46/124,107.68 = 49,648.36/x
  3. Step 3: Cross multiply
    89,935.46x = 124,107.68 × 49,648.36
  4. Step 4: Simplify right side
    89,935.46x = 6,161,741,906.62
  5. Step 5: Solve for x
    x = 6,161,741,906.62/89,935.46
  6. Step 6: Final answer
    x = 68,512.93

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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.