Home / 75,214.10-103,796.80-41,220.33

Finding the Fourth Proportional to 75,214.10, 103,796.80 and 41,220.33

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Solution

The fourth proportional to 75,214.10, 103,796.80 and 41,220.33 is: 56,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,214.10 : 103,796.80 = 41,220.33 : x
  2. Step 2: Convert to fraction form
    75,214.10/103,796.80 = 41,220.33/x
  3. Step 3: Cross multiply
    75,214.10x = 103,796.80 × 41,220.33
  4. Step 4: Simplify right side
    75,214.10x = 4,278,538,348.94
  5. Step 5: Solve for x
    x = 4,278,538,348.94/75,214.10
  6. Step 6: Final answer
    x = 56,884.79

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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.