Home / 54,939.66-75,816.27-31,067.18

Finding the Fourth Proportional to 54,939.66, 75,816.27 and 31,067.18

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Solution

The fourth proportional to 54,939.66, 75,816.27 and 31,067.18 is: 42,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.66 : 75,816.27 = 31,067.18 : x
  2. Step 2: Convert to fraction form
    54,939.66/75,816.27 = 31,067.18/x
  3. Step 3: Cross multiply
    54,939.66x = 75,816.27 × 31,067.18
  4. Step 4: Simplify right side
    54,939.66x = 2,355,397,707.02
  5. Step 5: Solve for x
    x = 2,355,397,707.02/54,939.66
  6. Step 6: Final answer
    x = 42,872.45

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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.