Home / 73,240.88-109,682.17-66,141.15

Finding the Fourth Proportional to 73,240.88, 109,682.17 and 66,141.15

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Solution

The fourth proportional to 73,240.88, 109,682.17 and 66,141.15 is: 99,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.88 : 109,682.17 = 66,141.15 : x
  2. Step 2: Convert to fraction form
    73,240.88/109,682.17 = 66,141.15/x
  3. Step 3: Cross multiply
    73,240.88x = 109,682.17 × 66,141.15
  4. Step 4: Simplify right side
    73,240.88x = 7,254,504,692.94
  5. Step 5: Solve for x
    x = 7,254,504,692.94/73,240.88
  6. Step 6: Final answer
    x = 99,049.95

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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.