Home / 84,838.13-117,086.94-49,028.43

Finding the Fourth Proportional to 84,838.13, 117,086.94 and 49,028.43

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Solution

The fourth proportional to 84,838.13, 117,086.94 and 49,028.43 is: 67,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,838.13 : 117,086.94 = 49,028.43 : x
  2. Step 2: Convert to fraction form
    84,838.13/117,086.94 = 49,028.43/x
  3. Step 3: Cross multiply
    84,838.13x = 117,086.94 × 49,028.43
  4. Step 4: Simplify right side
    84,838.13x = 5,740,588,841.70
  5. Step 5: Solve for x
    x = 5,740,588,841.70/84,838.13
  6. Step 6: Final answer
    x = 67,665.20

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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.