Home / 71,811.26-107,724.26-27,475.30

Finding the Fourth Proportional to 71,811.26, 107,724.26 and 27,475.30

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Solution

The fourth proportional to 71,811.26, 107,724.26 and 27,475.30 is: 41,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,811.26 : 107,724.26 = 27,475.30 : x
  2. Step 2: Convert to fraction form
    71,811.26/107,724.26 = 27,475.30/x
  3. Step 3: Cross multiply
    71,811.26x = 107,724.26 × 27,475.30
  4. Step 4: Simplify right side
    71,811.26x = 2,959,756,564.12
  5. Step 5: Solve for x
    x = 2,959,756,564.12/71,811.26
  6. Step 6: Final answer
    x = 41,215.77

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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.