Home / 54,891.27-75,757.68-31,023.81

Finding the Fourth Proportional to 54,891.27, 75,757.68 and 31,023.81

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Solution

The fourth proportional to 54,891.27, 75,757.68 and 31,023.81 is: 42,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,891.27 : 75,757.68 = 31,023.81 : x
  2. Step 2: Convert to fraction form
    54,891.27/75,757.68 = 31,023.81/x
  3. Step 3: Cross multiply
    54,891.27x = 75,757.68 × 31,023.81
  4. Step 4: Simplify right side
    54,891.27x = 2,350,291,870.36
  5. Step 5: Solve for x
    x = 2,350,291,870.36/54,891.27
  6. Step 6: Final answer
    x = 42,817.23

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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.