Home / 69,889.68-104,789.52-50,921.28

Finding the Fourth Proportional to 69,889.68, 104,789.52 and 50,921.28

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Solution

The fourth proportional to 69,889.68, 104,789.52 and 50,921.28 is: 76,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,889.68 : 104,789.52 = 50,921.28 : x
  2. Step 2: Convert to fraction form
    69,889.68/104,789.52 = 50,921.28/x
  3. Step 3: Cross multiply
    69,889.68x = 104,789.52 × 50,921.28
  4. Step 4: Simplify right side
    69,889.68x = 5,336,016,488.99
  5. Step 5: Solve for x
    x = 5,336,016,488.99/69,889.68
  6. Step 6: Final answer
    x = 76,349.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.