Home / 54,864.79-82,198.76-51,912.34

Finding the Fourth Proportional to 54,864.79, 82,198.76 and 51,912.34

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Solution

The fourth proportional to 54,864.79, 82,198.76 and 51,912.34 is: 77,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.79 : 82,198.76 = 51,912.34 : x
  2. Step 2: Convert to fraction form
    54,864.79/82,198.76 = 51,912.34/x
  3. Step 3: Cross multiply
    54,864.79x = 82,198.76 × 51,912.34
  4. Step 4: Simplify right side
    54,864.79x = 4,267,129,511.64
  5. Step 5: Solve for x
    x = 4,267,129,511.64/54,864.79
  6. Step 6: Final answer
    x = 77,775.38

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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.