Home / 106,122.36-146,447.32-58,372.88

Finding the Fourth Proportional to 106,122.36, 146,447.32 and 58,372.88

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Solution

The fourth proportional to 106,122.36, 146,447.32 and 58,372.88 is: 80,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.36 : 146,447.32 = 58,372.88 : x
  2. Step 2: Convert to fraction form
    106,122.36/146,447.32 = 58,372.88/x
  3. Step 3: Cross multiply
    106,122.36x = 146,447.32 × 58,372.88
  4. Step 4: Simplify right side
    106,122.36x = 8,548,551,836.68
  5. Step 5: Solve for x
    x = 8,548,551,836.68/106,122.36
  6. Step 6: Final answer
    x = 80,553.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.