Home / 117,867.26-162,660.24-64,155.75

Finding the Fourth Proportional to 117,867.26, 162,660.24 and 64,155.75

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Solution

The fourth proportional to 117,867.26, 162,660.24 and 64,155.75 is: 88,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,867.26 : 162,660.24 = 64,155.75 : x
  2. Step 2: Convert to fraction form
    117,867.26/162,660.24 = 64,155.75/x
  3. Step 3: Cross multiply
    117,867.26x = 162,660.24 × 64,155.75
  4. Step 4: Simplify right side
    117,867.26x = 10,435,589,692.38
  5. Step 5: Solve for x
    x = 10,435,589,692.38/117,867.26
  6. Step 6: Final answer
    x = 88,536.80

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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.