Home / 112,696.57-155,524.97-61,711.44

Finding the Fourth Proportional to 112,696.57, 155,524.97 and 61,711.44

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Solution

The fourth proportional to 112,696.57, 155,524.97 and 61,711.44 is: 85,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,696.57 : 155,524.97 = 61,711.44 : x
  2. Step 2: Convert to fraction form
    112,696.57/155,524.97 = 61,711.44/x
  3. Step 3: Cross multiply
    112,696.57x = 155,524.97 × 61,711.44
  4. Step 4: Simplify right side
    112,696.57x = 9,597,670,824.74
  5. Step 5: Solve for x
    x = 9,597,670,824.74/112,696.57
  6. Step 6: Final answer
    x = 85,163.83

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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.