Home / 117,564.93-162,234.17-66,576.49

Finding the Fourth Proportional to 117,564.93, 162,234.17 and 66,576.49

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Solution

The fourth proportional to 117,564.93, 162,234.17 and 66,576.49 is: 91,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.93 : 162,234.17 = 66,576.49 : x
  2. Step 2: Convert to fraction form
    117,564.93/162,234.17 = 66,576.49/x
  3. Step 3: Cross multiply
    117,564.93x = 162,234.17 × 66,576.49
  4. Step 4: Simplify right side
    117,564.93x = 10,800,981,596.66
  5. Step 5: Solve for x
    x = 10,800,981,596.66/117,564.93
  6. Step 6: Final answer
    x = 91,872.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.