Home / 71,825.20-99,131.07-41,629.11

Finding the Fourth Proportional to 71,825.20, 99,131.07 and 41,629.11

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Solution

The fourth proportional to 71,825.20, 99,131.07 and 41,629.11 is: 57,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,825.20 : 99,131.07 = 41,629.11 : x
  2. Step 2: Convert to fraction form
    71,825.20/99,131.07 = 41,629.11/x
  3. Step 3: Cross multiply
    71,825.20x = 99,131.07 × 41,629.11
  4. Step 4: Simplify right side
    71,825.20x = 4,126,738,001.82
  5. Step 5: Solve for x
    x = 4,126,738,001.82/71,825.20
  6. Step 6: Final answer
    x = 57,455.30

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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.