Home / 121,825.10-182,614.92-50,787.03

Finding the Fourth Proportional to 121,825.10, 182,614.92 and 50,787.03

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Solution

The fourth proportional to 121,825.10, 182,614.92 and 50,787.03 is: 76,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,825.10 : 182,614.92 = 50,787.03 : x
  2. Step 2: Convert to fraction form
    121,825.10/182,614.92 = 50,787.03/x
  3. Step 3: Cross multiply
    121,825.10x = 182,614.92 × 50,787.03
  4. Step 4: Simplify right side
    121,825.10x = 9,274,469,420.49
  5. Step 5: Solve for x
    x = 9,274,469,420.49/121,825.10
  6. Step 6: Final answer
    x = 76,129.38

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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.