Home / 105,819.26-146,033.42-58,074.30

Finding the Fourth Proportional to 105,819.26, 146,033.42 and 58,074.30

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Solution

The fourth proportional to 105,819.26, 146,033.42 and 58,074.30 is: 80,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,819.26 : 146,033.42 = 58,074.30 : x
  2. Step 2: Convert to fraction form
    105,819.26/146,033.42 = 58,074.30/x
  3. Step 3: Cross multiply
    105,819.26x = 146,033.42 × 58,074.30
  4. Step 4: Simplify right side
    105,819.26x = 8,480,788,352.73
  5. Step 5: Solve for x
    x = 8,480,788,352.73/105,819.26
  6. Step 6: Final answer
    x = 80,144.09

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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.