Home / 106,406.20-146,834.22-58,661.56

Finding the Fourth Proportional to 106,406.20, 146,834.22 and 58,661.56

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Solution

The fourth proportional to 106,406.20, 146,834.22 and 58,661.56 is: 80,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,406.20 : 146,834.22 = 58,661.56 : x
  2. Step 2: Convert to fraction form
    106,406.20/146,834.22 = 58,661.56/x
  3. Step 3: Cross multiply
    106,406.20x = 146,834.22 × 58,661.56
  4. Step 4: Simplify right side
    106,406.20x = 8,613,524,406.58
  5. Step 5: Solve for x
    x = 8,613,524,406.58/106,406.20
  6. Step 6: Final answer
    x = 80,949.46

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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.