Home / 55,042.20-75,989.75-36,234

Finding the Fourth Proportional to 55,042.20, 75,989.75 and 36,234

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Solution

The fourth proportional to 55,042.20, 75,989.75 and 36,234 is: 50,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.20 : 75,989.75 = 36,234 : x
  2. Step 2: Convert to fraction form
    55,042.20/75,989.75 = 36,234/x
  3. Step 3: Cross multiply
    55,042.20x = 75,989.75 × 36,234
  4. Step 4: Simplify right side
    55,042.20x = 2,753,412,420.33
  5. Step 5: Solve for x
    x = 2,753,412,420.33/55,042.20
  6. Step 6: Final answer
    x = 50,023.66

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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.