Home / 54,103.72-81,009.76-35,337.28

Finding the Fourth Proportional to 54,103.72, 81,009.76 and 35,337.28

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Solution

The fourth proportional to 54,103.72, 81,009.76 and 35,337.28 is: 52,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.72 : 81,009.76 = 35,337.28 : x
  2. Step 2: Convert to fraction form
    54,103.72/81,009.76 = 35,337.28/x
  3. Step 3: Cross multiply
    54,103.72x = 81,009.76 × 35,337.28
  4. Step 4: Simplify right side
    54,103.72x = 2,862,664,571.85
  5. Step 5: Solve for x
    x = 2,862,664,571.85/54,103.72
  6. Step 6: Final answer
    x = 52,910.68

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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.