Home / 107,415.28-161,139.32-54,796.04

Finding the Fourth Proportional to 107,415.28, 161,139.32 and 54,796.04

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Solution

The fourth proportional to 107,415.28, 161,139.32 and 54,796.04 is: 82,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.28 : 161,139.32 = 54,796.04 : x
  2. Step 2: Convert to fraction form
    107,415.28/161,139.32 = 54,796.04/x
  3. Step 3: Cross multiply
    107,415.28x = 161,139.32 × 54,796.04
  4. Step 4: Simplify right side
    107,415.28x = 8,829,796,624.29
  5. Step 5: Solve for x
    x = 8,829,796,624.29/107,415.28
  6. Step 6: Final answer
    x = 82,202.43

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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.