Home / 45,725.58-68,591.05-17,645.78

Finding the Fourth Proportional to 45,725.58, 68,591.05 and 17,645.78

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Solution

The fourth proportional to 45,725.58, 68,591.05 and 17,645.78 is: 26,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,725.58 : 68,591.05 = 17,645.78 : x
  2. Step 2: Convert to fraction form
    45,725.58/68,591.05 = 17,645.78/x
  3. Step 3: Cross multiply
    45,725.58x = 68,591.05 × 17,645.78
  4. Step 4: Simplify right side
    45,725.58x = 1,210,342,705.63
  5. Step 5: Solve for x
    x = 1,210,342,705.63/45,725.58
  6. Step 6: Final answer
    x = 26,469.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.