Home / 61,682.25-85,121.55-33,387.96

Finding the Fourth Proportional to 61,682.25, 85,121.55 and 33,387.96

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Solution

The fourth proportional to 61,682.25, 85,121.55 and 33,387.96 is: 46,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682.25 : 85,121.55 = 33,387.96 : x
  2. Step 2: Convert to fraction form
    61,682.25/85,121.55 = 33,387.96/x
  3. Step 3: Cross multiply
    61,682.25x = 85,121.55 × 33,387.96
  4. Step 4: Simplify right side
    61,682.25x = 2,842,034,906.54
  5. Step 5: Solve for x
    x = 2,842,034,906.54/61,682.25
  6. Step 6: Final answer
    x = 46,075.41

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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.