Home / 100,755.23-151,080.66-29,668.61

Finding the Fourth Proportional to 100,755.23, 151,080.66 and 29,668.61

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Solution

The fourth proportional to 100,755.23, 151,080.66 and 29,668.61 is: 44,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,755.23 : 151,080.66 = 29,668.61 : x
  2. Step 2: Convert to fraction form
    100,755.23/151,080.66 = 29,668.61/x
  3. Step 3: Cross multiply
    100,755.23x = 151,080.66 × 29,668.61
  4. Step 4: Simplify right side
    100,755.23x = 4,482,352,424.68
  5. Step 5: Solve for x
    x = 4,482,352,424.68/100,755.23
  6. Step 6: Final answer
    x = 44,487.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.