Home / 53,736.69-80,604.75-13,755.60

Finding the Fourth Proportional to 53,736.69, 80,604.75 and 13,755.60

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Solution

The fourth proportional to 53,736.69, 80,604.75 and 13,755.60 is: 20,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.69 : 80,604.75 = 13,755.60 : x
  2. Step 2: Convert to fraction form
    53,736.69/80,604.75 = 13,755.60/x
  3. Step 3: Cross multiply
    53,736.69x = 80,604.75 × 13,755.60
  4. Step 4: Simplify right side
    53,736.69x = 1,108,766,699.10
  5. Step 5: Solve for x
    x = 1,108,766,699.10/53,736.69
  6. Step 6: Final answer
    x = 20,633.33

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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.