Home / 69,789.74-104,668.89-19,868.73

Finding the Fourth Proportional to 69,789.74, 104,668.89 and 19,868.73

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Solution

The fourth proportional to 69,789.74, 104,668.89 and 19,868.73 is: 29,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,789.74 : 104,668.89 = 19,868.73 : x
  2. Step 2: Convert to fraction form
    69,789.74/104,668.89 = 19,868.73/x
  3. Step 3: Cross multiply
    69,789.74x = 104,668.89 × 19,868.73
  4. Step 4: Simplify right side
    69,789.74x = 2,079,637,914.81
  5. Step 5: Solve for x
    x = 2,079,637,914.81/69,789.74
  6. Step 6: Final answer
    x = 29,798.62

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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.