Home / 69,869.10-104,481.75-51,891.28

Finding the Fourth Proportional to 69,869.10, 104,481.75 and 51,891.28

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Solution

The fourth proportional to 69,869.10, 104,481.75 and 51,891.28 is: 77,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.10 : 104,481.75 = 51,891.28 : x
  2. Step 2: Convert to fraction form
    69,869.10/104,481.75 = 51,891.28/x
  3. Step 3: Cross multiply
    69,869.10x = 104,481.75 × 51,891.28
  4. Step 4: Simplify right side
    69,869.10x = 5,421,691,744.14
  5. Step 5: Solve for x
    x = 5,421,691,744.14/69,869.10
  6. Step 6: Final answer
    x = 77,597.85

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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.