Home / 71,976.22-107,979.80-22,059.76

Finding the Fourth Proportional to 71,976.22, 107,979.80 and 22,059.76

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Solution

The fourth proportional to 71,976.22, 107,979.80 and 22,059.76 is: 33,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,976.22 : 107,979.80 = 22,059.76 : x
  2. Step 2: Convert to fraction form
    71,976.22/107,979.80 = 22,059.76/x
  3. Step 3: Cross multiply
    71,976.22x = 107,979.80 × 22,059.76
  4. Step 4: Simplify right side
    71,976.22x = 2,382,008,472.85
  5. Step 5: Solve for x
    x = 2,382,008,472.85/71,976.22
  6. Step 6: Final answer
    x = 33,094.38

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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.