Home / 117,625.62-162,297.36-66,633.84

Finding the Fourth Proportional to 117,625.62, 162,297.36 and 66,633.84

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Solution

The fourth proportional to 117,625.62, 162,297.36 and 66,633.84 is: 91,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,625.62 : 162,297.36 = 66,633.84 : x
  2. Step 2: Convert to fraction form
    117,625.62/162,297.36 = 66,633.84/x
  3. Step 3: Cross multiply
    117,625.62x = 162,297.36 × 66,633.84
  4. Step 4: Simplify right side
    117,625.62x = 10,814,496,318.66
  5. Step 5: Solve for x
    x = 10,814,496,318.66/117,625.62
  6. Step 6: Final answer
    x = 91,939.97

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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.