Home / 54,891.16-75,756.50-35,791.36

Finding the Fourth Proportional to 54,891.16, 75,756.50 and 35,791.36

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Solution

The fourth proportional to 54,891.16, 75,756.50 and 35,791.36 is: 49,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,891.16 : 75,756.50 = 35,791.36 : x
  2. Step 2: Convert to fraction form
    54,891.16/75,756.50 = 35,791.36/x
  3. Step 3: Cross multiply
    54,891.16x = 75,756.50 × 35,791.36
  4. Step 4: Simplify right side
    54,891.16x = 2,711,428,163.84
  5. Step 5: Solve for x
    x = 2,711,428,163.84/54,891.16
  6. Step 6: Final answer
    x = 49,396.44

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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.