Home / 53,379.20-73,662-29,505.26

Finding the Fourth Proportional to 53,379.20, 73,662 and 29,505.26

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Solution

The fourth proportional to 53,379.20, 73,662 and 29,505.26 is: 40,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.20 : 73,662 = 29,505.26 : x
  2. Step 2: Convert to fraction form
    53,379.20/73,662 = 29,505.26/x
  3. Step 3: Cross multiply
    53,379.20x = 73,662 × 29,505.26
  4. Step 4: Simplify right side
    53,379.20x = 2,173,416,462.12
  5. Step 5: Solve for x
    x = 2,173,416,462.12/53,379.20
  6. Step 6: Final answer
    x = 40,716.54

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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.