Home / 53,057.12-73,217.27-29,183.78

Finding the Fourth Proportional to 53,057.12, 73,217.27 and 29,183.78

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Solution

The fourth proportional to 53,057.12, 73,217.27 and 29,183.78 is: 40,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.12 : 73,217.27 = 29,183.78 : x
  2. Step 2: Convert to fraction form
    53,057.12/73,217.27 = 29,183.78/x
  3. Step 3: Cross multiply
    53,057.12x = 73,217.27 × 29,183.78
  4. Step 4: Simplify right side
    53,057.12x = 2,136,756,187.88
  5. Step 5: Solve for x
    x = 2,136,756,187.88/53,057.12
  6. Step 6: Final answer
    x = 40,272.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.