Home / 57,104.97-85,657.50-17,661.21

Finding the Fourth Proportional to 57,104.97, 85,657.50 and 17,661.21

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Solution

The fourth proportional to 57,104.97, 85,657.50 and 17,661.21 is: 26,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.97 : 85,657.50 = 17,661.21 : x
  2. Step 2: Convert to fraction form
    57,104.97/85,657.50 = 17,661.21/x
  3. Step 3: Cross multiply
    57,104.97x = 85,657.50 × 17,661.21
  4. Step 4: Simplify right side
    57,104.97x = 1,512,815,095.58
  5. Step 5: Solve for x
    x = 1,512,815,095.58/57,104.97
  6. Step 6: Final answer
    x = 26,491.83

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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.