Home / 50,704.20-76,121.10-27,030.60

Finding the Fourth Proportional to 50,704.20, 76,121.10 and 27,030.60

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Solution

The fourth proportional to 50,704.20, 76,121.10 and 27,030.60 is: 40,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,704.20 : 76,121.10 = 27,030.60 : x
  2. Step 2: Convert to fraction form
    50,704.20/76,121.10 = 27,030.60/x
  3. Step 3: Cross multiply
    50,704.20x = 76,121.10 × 27,030.60
  4. Step 4: Simplify right side
    50,704.20x = 2,057,599,005.66
  5. Step 5: Solve for x
    x = 2,057,599,005.66/50,704.20
  6. Step 6: Final answer
    x = 40,580.45

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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.