Home / 117,517.92-162,170.16-63,801.72

Finding the Fourth Proportional to 117,517.92, 162,170.16 and 63,801.72

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Solution

The fourth proportional to 117,517.92, 162,170.16 and 63,801.72 is: 88,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517.92 : 162,170.16 = 63,801.72 : x
  2. Step 2: Convert to fraction form
    117,517.92/162,170.16 = 63,801.72/x
  3. Step 3: Cross multiply
    117,517.92x = 162,170.16 × 63,801.72
  4. Step 4: Simplify right side
    117,517.92x = 10,346,735,140.68
  5. Step 5: Solve for x
    x = 10,346,735,140.68/117,517.92
  6. Step 6: Final answer
    x = 88,043.89

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1.5x scale

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.