Home / 53,198.35-79,800.27-13,755.81

Finding the Fourth Proportional to 53,198.35, 79,800.27 and 13,755.81

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Solution

The fourth proportional to 53,198.35, 79,800.27 and 13,755.81 is: 20,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.35 : 79,800.27 = 13,755.81 : x
  2. Step 2: Convert to fraction form
    53,198.35/79,800.27 = 13,755.81/x
  3. Step 3: Cross multiply
    53,198.35x = 79,800.27 × 13,755.81
  4. Step 4: Simplify right side
    53,198.35x = 1,097,717,352.07
  5. Step 5: Solve for x
    x = 1,097,717,352.07/53,198.35
  6. Step 6: Final answer
    x = 20,634.42

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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.