Home / 54,977.14-75,864.24-31,105.33

Finding the Fourth Proportional to 54,977.14, 75,864.24 and 31,105.33

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Solution

The fourth proportional to 54,977.14, 75,864.24 and 31,105.33 is: 42,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.14 : 75,864.24 = 31,105.33 : x
  2. Step 2: Convert to fraction form
    54,977.14/75,864.24 = 31,105.33/x
  3. Step 3: Cross multiply
    54,977.14x = 75,864.24 × 31,105.33
  4. Step 4: Simplify right side
    54,977.14x = 2,359,782,220.40
  5. Step 5: Solve for x
    x = 2,359,782,220.40/54,977.14
  6. Step 6: Final answer
    x = 42,922.97

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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.