Home / 71,474.46-107,221.29-27,117.66

Finding the Fourth Proportional to 71,474.46, 107,221.29 and 27,117.66

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Solution

The fourth proportional to 71,474.46, 107,221.29 and 27,117.66 is: 40,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,474.46 : 107,221.29 = 27,117.66 : x
  2. Step 2: Convert to fraction form
    71,474.46/107,221.29 = 27,117.66/x
  3. Step 3: Cross multiply
    71,474.46x = 107,221.29 × 27,117.66
  4. Step 4: Simplify right side
    71,474.46x = 2,907,590,486.98
  5. Step 5: Solve for x
    x = 2,907,590,486.98/71,474.46
  6. Step 6: Final answer
    x = 40,680.13

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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.