Home / 106,105.82-146,430.68-58,360.92

Finding the Fourth Proportional to 106,105.82, 146,430.68 and 58,360.92

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Solution

The fourth proportional to 106,105.82, 146,430.68 and 58,360.92 is: 80,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,105.82 : 146,430.68 = 58,360.92 : x
  2. Step 2: Convert to fraction form
    106,105.82/146,430.68 = 58,360.92/x
  3. Step 3: Cross multiply
    106,105.82x = 146,430.68 × 58,360.92
  4. Step 4: Simplify right side
    106,105.82x = 8,545,829,201.03
  5. Step 5: Solve for x
    x = 8,545,829,201.03/106,105.82
  6. Step 6: Final answer
    x = 80,540.63

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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.