Home / 106,518.84-146,996.82-58,772.04

Finding the Fourth Proportional to 106,518.84, 146,996.82 and 58,772.04

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Solution

The fourth proportional to 106,518.84, 146,996.82 and 58,772.04 is: 81,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,518.84 : 146,996.82 = 58,772.04 : x
  2. Step 2: Convert to fraction form
    106,518.84/146,996.82 = 58,772.04/x
  3. Step 3: Cross multiply
    106,518.84x = 146,996.82 × 58,772.04
  4. Step 4: Simplify right side
    106,518.84x = 8,639,302,984.91
  5. Step 5: Solve for x
    x = 8,639,302,984.91/106,518.84
  6. Step 6: Final answer
    x = 81,105.87

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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.