Home / 76,105.35-114,163.02-19,946.84

Finding the Fourth Proportional to 76,105.35, 114,163.02 and 19,946.84

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Solution

The fourth proportional to 76,105.35, 114,163.02 and 19,946.84 is: 29,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,105.35 : 114,163.02 = 19,946.84 : x
  2. Step 2: Convert to fraction form
    76,105.35/114,163.02 = 19,946.84/x
  3. Step 3: Cross multiply
    76,105.35x = 114,163.02 × 19,946.84
  4. Step 4: Simplify right side
    76,105.35x = 2,277,190,923.04
  5. Step 5: Solve for x
    x = 2,277,190,923.04/76,105.35
  6. Step 6: Final answer
    x = 29,921.56

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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.