Home / 67,127.10-100,694.40-22,146.69

Finding the Fourth Proportional to 67,127.10, 100,694.40 and 22,146.69

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Solution

The fourth proportional to 67,127.10, 100,694.40 and 22,146.69 is: 33,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,127.10 : 100,694.40 = 22,146.69 : x
  2. Step 2: Convert to fraction form
    67,127.10/100,694.40 = 22,146.69/x
  3. Step 3: Cross multiply
    67,127.10x = 100,694.40 × 22,146.69
  4. Step 4: Simplify right side
    67,127.10x = 2,230,047,661.54
  5. Step 5: Solve for x
    x = 2,230,047,661.54/67,127.10
  6. Step 6: Final answer
    x = 33,221.27

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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.