Home / 84,121.42-126,093.54-27,946.44

Finding the Fourth Proportional to 84,121.42, 126,093.54 and 27,946.44

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Solution

The fourth proportional to 84,121.42, 126,093.54 and 27,946.44 is: 41,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,121.42 : 126,093.54 = 27,946.44 : x
  2. Step 2: Convert to fraction form
    84,121.42/126,093.54 = 27,946.44/x
  3. Step 3: Cross multiply
    84,121.42x = 126,093.54 × 27,946.44
  4. Step 4: Simplify right side
    84,121.42x = 3,523,865,773.64
  5. Step 5: Solve for x
    x = 3,523,865,773.64/84,121.42
  6. Step 6: Final answer
    x = 41,890.23

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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.