Home / 61,028.60-91,908.62-53,713.04

Finding the Fourth Proportional to 61,028.60, 91,908.62 and 53,713.04

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Solution

The fourth proportional to 61,028.60, 91,908.62 and 53,713.04 is: 80,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,028.60 : 91,908.62 = 53,713.04 : x
  2. Step 2: Convert to fraction form
    61,028.60/91,908.62 = 53,713.04/x
  3. Step 3: Cross multiply
    61,028.60x = 91,908.62 × 53,713.04
  4. Step 4: Simplify right side
    61,028.60x = 4,936,691,382.40
  5. Step 5: Solve for x
    x = 4,936,691,382.40/61,028.60
  6. Step 6: Final answer
    x = 80,891.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.