Home / 53,752.78-80,638.90-22,145.27

Finding the Fourth Proportional to 53,752.78, 80,638.90 and 22,145.27

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Solution

The fourth proportional to 53,752.78, 80,638.90 and 22,145.27 is: 33,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,752.78 : 80,638.90 = 22,145.27 : x
  2. Step 2: Convert to fraction form
    53,752.78/80,638.90 = 22,145.27/x
  3. Step 3: Cross multiply
    53,752.78x = 80,638.90 × 22,145.27
  4. Step 4: Simplify right side
    53,752.78x = 1,785,770,590.54
  5. Step 5: Solve for x
    x = 1,785,770,590.54/53,752.78
  6. Step 6: Final answer
    x = 33,221.92

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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.