Home / 117,327.73-162,045.91-79,536.37

Finding the Fourth Proportional to 117,327.73, 162,045.91 and 79,536.37

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Solution

The fourth proportional to 117,327.73, 162,045.91 and 79,536.37 is: 109,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,327.73 : 162,045.91 = 79,536.37 : x
  2. Step 2: Convert to fraction form
    117,327.73/162,045.91 = 79,536.37/x
  3. Step 3: Cross multiply
    117,327.73x = 162,045.91 × 79,536.37
  4. Step 4: Simplify right side
    117,327.73x = 12,888,543,454.75
  5. Step 5: Solve for x
    x = 12,888,543,454.75/117,327.73
  6. Step 6: Final answer
    x = 109,850.79

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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.