Home / 117,571.38-162,247.92-63,855.96

Finding the Fourth Proportional to 117,571.38, 162,247.92 and 63,855.96

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Solution

The fourth proportional to 117,571.38, 162,247.92 and 63,855.96 is: 88,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,571.38 : 162,247.92 = 63,855.96 : x
  2. Step 2: Convert to fraction form
    117,571.38/162,247.92 = 63,855.96/x
  3. Step 3: Cross multiply
    117,571.38x = 162,247.92 × 63,855.96
  4. Step 4: Simplify right side
    117,571.38x = 10,360,496,689.60
  5. Step 5: Solve for x
    x = 10,360,496,689.60/117,571.38
  6. Step 6: Final answer
    x = 88,120.91

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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.