Home / 117,648.88-162,355.11-63,933.91

Finding the Fourth Proportional to 117,648.88, 162,355.11 and 63,933.91

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Solution

The fourth proportional to 117,648.88, 162,355.11 and 63,933.91 is: 88,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,648.88 : 162,355.11 = 63,933.91 : x
  2. Step 2: Convert to fraction form
    117,648.88/162,355.11 = 63,933.91/x
  3. Step 3: Cross multiply
    117,648.88x = 162,355.11 × 63,933.91
  4. Step 4: Simplify right side
    117,648.88x = 10,379,996,990.78
  5. Step 5: Solve for x
    x = 10,379,996,990.78/117,648.88
  6. Step 6: Final answer
    x = 88,228.61

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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.