Home / 89,842.69-123,982.68-51,604.75

Finding the Fourth Proportional to 89,842.69, 123,982.68 and 51,604.75

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Solution

The fourth proportional to 89,842.69, 123,982.68 and 51,604.75 is: 71,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,842.69 : 123,982.68 = 51,604.75 : x
  2. Step 2: Convert to fraction form
    89,842.69/123,982.68 = 51,604.75/x
  3. Step 3: Cross multiply
    89,842.69x = 123,982.68 × 51,604.75
  4. Step 4: Simplify right side
    89,842.69x = 6,398,095,205.73
  5. Step 5: Solve for x
    x = 6,398,095,205.73/89,842.69
  6. Step 6: Final answer
    x = 71,214.42

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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.