Home / 117,550.22-162,229.34-66,571.96

Finding the Fourth Proportional to 117,550.22, 162,229.34 and 66,571.96

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Solution

The fourth proportional to 117,550.22, 162,229.34 and 66,571.96 is: 91,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,550.22 : 162,229.34 = 66,571.96 : x
  2. Step 2: Convert to fraction form
    117,550.22/162,229.34 = 66,571.96/x
  3. Step 3: Cross multiply
    117,550.22x = 162,229.34 × 66,571.96
  4. Step 4: Simplify right side
    117,550.22x = 10,799,925,133.31
  5. Step 5: Solve for x
    x = 10,799,925,133.31/117,550.22
  6. Step 6: Final answer
    x = 91,874.99

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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.