Home / 53,791.17-80,697.69-18,733.56

Finding the Fourth Proportional to 53,791.17, 80,697.69 and 18,733.56

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Solution

The fourth proportional to 53,791.17, 80,697.69 and 18,733.56 is: 28,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.17 : 80,697.69 = 18,733.56 : x
  2. Step 2: Convert to fraction form
    53,791.17/80,697.69 = 18,733.56/x
  3. Step 3: Cross multiply
    53,791.17x = 80,697.69 × 18,733.56
  4. Step 4: Simplify right side
    53,791.17x = 1,511,755,017.48
  5. Step 5: Solve for x
    x = 1,511,755,017.48/53,791.17
  6. Step 6: Final answer
    x = 28,104.15

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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.