Home / 89,964.70-124,151.27-49,678.54

Finding the Fourth Proportional to 89,964.70, 124,151.27 and 49,678.54

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Solution

The fourth proportional to 89,964.70, 124,151.27 and 49,678.54 is: 68,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.70 : 124,151.27 = 49,678.54 : x
  2. Step 2: Convert to fraction form
    89,964.70/124,151.27 = 49,678.54/x
  3. Step 3: Cross multiply
    89,964.70x = 124,151.27 × 49,678.54
  4. Step 4: Simplify right side
    89,964.70x = 6,167,653,273.97
  5. Step 5: Solve for x
    x = 6,167,653,273.97/89,964.70
  6. Step 6: Final answer
    x = 68,556.37

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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.