Home / 100,010.52-150,057.18-43,821.60

Finding the Fourth Proportional to 100,010.52, 150,057.18 and 43,821.60

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Solution

The fourth proportional to 100,010.52, 150,057.18 and 43,821.60 is: 65,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,010.52 : 150,057.18 = 43,821.60 : x
  2. Step 2: Convert to fraction form
    100,010.52/150,057.18 = 43,821.60/x
  3. Step 3: Cross multiply
    100,010.52x = 150,057.18 × 43,821.60
  4. Step 4: Simplify right side
    100,010.52x = 6,575,745,719.09
  5. Step 5: Solve for x
    x = 6,575,745,719.09/100,010.52
  6. Step 6: Final answer
    x = 65,750.54

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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.