Home / 54,404.35-75,076.73-30,530.41

Finding the Fourth Proportional to 54,404.35, 75,076.73 and 30,530.41

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Solution

The fourth proportional to 54,404.35, 75,076.73 and 30,530.41 is: 42,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404.35 : 75,076.73 = 30,530.41 : x
  2. Step 2: Convert to fraction form
    54,404.35/75,076.73 = 30,530.41/x
  3. Step 3: Cross multiply
    54,404.35x = 75,076.73 × 30,530.41
  4. Step 4: Simplify right side
    54,404.35x = 2,292,123,348.36
  5. Step 5: Solve for x
    x = 2,292,123,348.36/54,404.35
  6. Step 6: Final answer
    x = 42,131.25

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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.