Home / 107,624.43-161,436.38-51,293.79

Finding the Fourth Proportional to 107,624.43, 161,436.38 and 51,293.79

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Solution

The fourth proportional to 107,624.43, 161,436.38 and 51,293.79 is: 76,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,624.43 : 161,436.38 = 51,293.79 : x
  2. Step 2: Convert to fraction form
    107,624.43/161,436.38 = 51,293.79/x
  3. Step 3: Cross multiply
    107,624.43x = 161,436.38 × 51,293.79
  4. Step 4: Simplify right side
    107,624.43x = 8,280,683,517.61
  5. Step 5: Solve for x
    x = 8,280,683,517.61/107,624.43
  6. Step 6: Final answer
    x = 76,940.56

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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.