Home / 67,940.12-101,910.05-18,025.22

Finding the Fourth Proportional to 67,940.12, 101,910.05 and 18,025.22

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Solution

The fourth proportional to 67,940.12, 101,910.05 and 18,025.22 is: 27,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940.12 : 101,910.05 = 18,025.22 : x
  2. Step 2: Convert to fraction form
    67,940.12/101,910.05 = 18,025.22/x
  3. Step 3: Cross multiply
    67,940.12x = 101,910.05 × 18,025.22
  4. Step 4: Simplify right side
    67,940.12x = 1,836,951,281.17
  5. Step 5: Solve for x
    x = 1,836,951,281.17/67,940.12
  6. Step 6: Final answer
    x = 27,037.80

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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.