Home / 117,469.35-162,107.82-63,754.40

Finding the Fourth Proportional to 117,469.35, 162,107.82 and 63,754.40

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Solution

The fourth proportional to 117,469.35, 162,107.82 and 63,754.40 is: 87,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,469.35 : 162,107.82 = 63,754.40 : x
  2. Step 2: Convert to fraction form
    117,469.35/162,107.82 = 63,754.40/x
  3. Step 3: Cross multiply
    117,469.35x = 162,107.82 × 63,754.40
  4. Step 4: Simplify right side
    117,469.35x = 10,335,086,799.41
  5. Step 5: Solve for x
    x = 10,335,086,799.41/117,469.35
  6. Step 6: Final answer
    x = 87,981.14

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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.