Home / 107,902.20-161,853.30-45,573.24

Finding the Fourth Proportional to 107,902.20, 161,853.30 and 45,573.24

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Solution

The fourth proportional to 107,902.20, 161,853.30 and 45,573.24 is: 68,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,902.20 : 161,853.30 = 45,573.24 : x
  2. Step 2: Convert to fraction form
    107,902.20/161,853.30 = 45,573.24/x
  3. Step 3: Cross multiply
    107,902.20x = 161,853.30 × 45,573.24
  4. Step 4: Simplify right side
    107,902.20x = 7,376,179,285.69
  5. Step 5: Solve for x
    x = 7,376,179,285.69/107,902.20
  6. Step 6: Final answer
    x = 68,359.86

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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.