Home / 69,868.85-104,481.36-51,891.03

Finding the Fourth Proportional to 69,868.85, 104,481.36 and 51,891.03

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Solution

The fourth proportional to 69,868.85, 104,481.36 and 51,891.03 is: 77,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,868.85 : 104,481.36 = 51,891.03 : x
  2. Step 2: Convert to fraction form
    69,868.85/104,481.36 = 51,891.03/x
  3. Step 3: Cross multiply
    69,868.85x = 104,481.36 × 51,891.03
  4. Step 4: Simplify right side
    69,868.85x = 5,421,645,386.20
  5. Step 5: Solve for x
    x = 5,421,645,386.20/69,868.85
  6. Step 6: Final answer
    x = 77,597.47

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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.