Home / 117,932.91-162,744.03-66,950.30

Finding the Fourth Proportional to 117,932.91, 162,744.03 and 66,950.30

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Solution

The fourth proportional to 117,932.91, 162,744.03 and 66,950.30 is: 92,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,932.91 : 162,744.03 = 66,950.30 : x
  2. Step 2: Convert to fraction form
    117,932.91/162,744.03 = 66,950.30/x
  3. Step 3: Cross multiply
    117,932.91x = 162,744.03 × 66,950.30
  4. Step 4: Simplify right side
    117,932.91x = 10,895,760,817.99
  5. Step 5: Solve for x
    x = 10,895,760,817.99/117,932.91
  6. Step 6: Final answer
    x = 92,389.48

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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.