Home / 57,161.73-78,863.45-35,942.61

Finding the Fourth Proportional to 57,161.73, 78,863.45 and 35,942.61

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Solution

The fourth proportional to 57,161.73, 78,863.45 and 35,942.61 is: 49,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,161.73 : 78,863.45 = 35,942.61 : x
  2. Step 2: Convert to fraction form
    57,161.73/78,863.45 = 35,942.61/x
  3. Step 3: Cross multiply
    57,161.73x = 78,863.45 × 35,942.61
  4. Step 4: Simplify right side
    57,161.73x = 2,834,558,046.89
  5. Step 5: Solve for x
    x = 2,834,558,046.89/57,161.73
  6. Step 6: Final answer
    x = 49,588.39

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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.