Home / 106,520.46-146,998.13-58,773.81

Finding the Fourth Proportional to 106,520.46, 146,998.13 and 58,773.81

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Solution

The fourth proportional to 106,520.46, 146,998.13 and 58,773.81 is: 81,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,520.46 : 146,998.13 = 58,773.81 : x
  2. Step 2: Convert to fraction form
    106,520.46/146,998.13 = 58,773.81/x
  3. Step 3: Cross multiply
    106,520.46x = 146,998.13 × 58,773.81
  4. Step 4: Simplify right side
    106,520.46x = 8,639,640,309.91
  5. Step 5: Solve for x
    x = 8,639,640,309.91/106,520.46
  6. Step 6: Final answer
    x = 81,107.80

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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.