Home / 107,774.92-161,694.38-55,221.32

Finding the Fourth Proportional to 107,774.92, 161,694.38 and 55,221.32

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Solution

The fourth proportional to 107,774.92, 161,694.38 and 55,221.32 is: 82,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,774.92 : 161,694.38 = 55,221.32 : x
  2. Step 2: Convert to fraction form
    107,774.92/161,694.38 = 55,221.32/x
  3. Step 3: Cross multiply
    107,774.92x = 161,694.38 × 55,221.32
  4. Step 4: Simplify right side
    107,774.92x = 8,928,977,100.18
  5. Step 5: Solve for x
    x = 8,928,977,100.18/107,774.92
  6. Step 6: Final answer
    x = 82,848.38

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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.