Home / 54,739.67-75,542.61-31,767.72

Finding the Fourth Proportional to 54,739.67, 75,542.61 and 31,767.72

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Solution

The fourth proportional to 54,739.67, 75,542.61 and 31,767.72 is: 43,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.67 : 75,542.61 = 31,767.72 : x
  2. Step 2: Convert to fraction form
    54,739.67/75,542.61 = 31,767.72/x
  3. Step 3: Cross multiply
    54,739.67x = 75,542.61 × 31,767.72
  4. Step 4: Simplify right side
    54,739.67x = 2,399,816,825.40
  5. Step 5: Solve for x
    x = 2,399,816,825.40/54,739.67
  6. Step 6: Final answer
    x = 43,840.54

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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.