Home / 53,822.52-80,741.07-18,757.62

Finding the Fourth Proportional to 53,822.52, 80,741.07 and 18,757.62

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Solution

The fourth proportional to 53,822.52, 80,741.07 and 18,757.62 is: 28,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,822.52 : 80,741.07 = 18,757.62 : x
  2. Step 2: Convert to fraction form
    53,822.52/80,741.07 = 18,757.62/x
  3. Step 3: Cross multiply
    53,822.52x = 80,741.07 × 18,757.62
  4. Step 4: Simplify right side
    53,822.52x = 1,514,510,309.45
  5. Step 5: Solve for x
    x = 1,514,510,309.45/53,822.52
  6. Step 6: Final answer
    x = 28,138.97

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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.