Home / 55,794.75-76,997.97-30,644.25

Finding the Fourth Proportional to 55,794.75, 76,997.97 and 30,644.25

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Solution

The fourth proportional to 55,794.75, 76,997.97 and 30,644.25 is: 42,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.75 : 76,997.97 = 30,644.25 : x
  2. Step 2: Convert to fraction form
    55,794.75/76,997.97 = 30,644.25/x
  3. Step 3: Cross multiply
    55,794.75x = 76,997.97 × 30,644.25
  4. Step 4: Simplify right side
    55,794.75x = 2,359,545,042.17
  5. Step 5: Solve for x
    x = 2,359,545,042.17/55,794.75
  6. Step 6: Final answer
    x = 42,289.73

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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.