Home / 54,620.52-75,371.48-30,419.64

Finding the Fourth Proportional to 54,620.52, 75,371.48 and 30,419.64

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Solution

The fourth proportional to 54,620.52, 75,371.48 and 30,419.64 is: 41,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.52 : 75,371.48 = 30,419.64 : x
  2. Step 2: Convert to fraction form
    54,620.52/75,371.48 = 30,419.64/x
  3. Step 3: Cross multiply
    54,620.52x = 75,371.48 × 30,419.64
  4. Step 4: Simplify right side
    54,620.52x = 2,292,773,287.87
  5. Step 5: Solve for x
    x = 2,292,773,287.87/54,620.52
  6. Step 6: Final answer
    x = 41,976.41

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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.