Home / 71,718.45-107,581.18-27,336.93

Finding the Fourth Proportional to 71,718.45, 107,581.18 and 27,336.93

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Solution

The fourth proportional to 71,718.45, 107,581.18 and 27,336.93 is: 41,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,718.45 : 107,581.18 = 27,336.93 : x
  2. Step 2: Convert to fraction form
    71,718.45/107,581.18 = 27,336.93/x
  3. Step 3: Cross multiply
    71,718.45x = 107,581.18 × 27,336.93
  4. Step 4: Simplify right side
    71,718.45x = 2,940,939,186.98
  5. Step 5: Solve for x
    x = 2,940,939,186.98/71,718.45
  6. Step 6: Final answer
    x = 41,006.73

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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.