Home / 71,571.24-107,332.20-36,018.82

Finding the Fourth Proportional to 71,571.24, 107,332.20 and 36,018.82

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Solution

The fourth proportional to 71,571.24, 107,332.20 and 36,018.82 is: 54,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,571.24 : 107,332.20 = 36,018.82 : x
  2. Step 2: Convert to fraction form
    71,571.24/107,332.20 = 36,018.82/x
  3. Step 3: Cross multiply
    71,571.24x = 107,332.20 × 36,018.82
  4. Step 4: Simplify right side
    71,571.24x = 3,865,979,192.00
  5. Step 5: Solve for x
    x = 3,865,979,192.00/71,571.24
  6. Step 6: Final answer
    x = 54,015.82

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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.