Home / 87,835.44-131,753.34-41,121.12

Finding the Fourth Proportional to 87,835.44, 131,753.34 and 41,121.12

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Solution

The fourth proportional to 87,835.44, 131,753.34 and 41,121.12 is: 61,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,835.44 : 131,753.34 = 41,121.12 : x
  2. Step 2: Convert to fraction form
    87,835.44/131,753.34 = 41,121.12/x
  3. Step 3: Cross multiply
    87,835.44x = 131,753.34 × 41,121.12
  4. Step 4: Simplify right side
    87,835.44x = 5,417,844,904.54
  5. Step 5: Solve for x
    x = 5,417,844,904.54/87,835.44
  6. Step 6: Final answer
    x = 61,681.76

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1.5x scale

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.