Home / 117,789.92-162,514.11-66,800.02

Finding the Fourth Proportional to 117,789.92, 162,514.11 and 66,800.02

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Solution

The fourth proportional to 117,789.92, 162,514.11 and 66,800.02 is: 92,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,789.92 : 162,514.11 = 66,800.02 : x
  2. Step 2: Convert to fraction form
    117,789.92/162,514.11 = 66,800.02/x
  3. Step 3: Cross multiply
    117,789.92x = 162,514.11 × 66,800.02
  4. Step 4: Simplify right side
    117,789.92x = 10,855,944,985.71
  5. Step 5: Solve for x
    x = 10,855,944,985.71/117,789.92
  6. Step 6: Final answer
    x = 92,163.62

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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.