Home / 108,966.52-150,380.22-82,061.56

Finding the Fourth Proportional to 108,966.52, 150,380.22 and 82,061.56

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Solution

The fourth proportional to 108,966.52, 150,380.22 and 82,061.56 is: 113,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,966.52 : 150,380.22 = 82,061.56 : x
  2. Step 2: Convert to fraction form
    108,966.52/150,380.22 = 82,061.56/x
  3. Step 3: Cross multiply
    108,966.52x = 150,380.22 × 82,061.56
  4. Step 4: Simplify right side
    108,966.52x = 12,340,435,446.34
  5. Step 5: Solve for x
    x = 12,340,435,446.34/108,966.52
  6. Step 6: Final answer
    x = 113,249.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.