Home / 53,829.56-80,717.41-31,347.61

Finding the Fourth Proportional to 53,829.56, 80,717.41 and 31,347.61

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Solution

The fourth proportional to 53,829.56, 80,717.41 and 31,347.61 is: 47,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,829.56 : 80,717.41 = 31,347.61 : x
  2. Step 2: Convert to fraction form
    53,829.56/80,717.41 = 31,347.61/x
  3. Step 3: Cross multiply
    53,829.56x = 80,717.41 × 31,347.61
  4. Step 4: Simplify right side
    53,829.56x = 2,530,297,726.28
  5. Step 5: Solve for x
    x = 2,530,297,726.28/53,829.56
  6. Step 6: Final answer
    x = 47,005.73

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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.