Home / 75,372.48-113,058.24-19,968

Finding the Fourth Proportional to 75,372.48, 113,058.24 and 19,968

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Solution

The fourth proportional to 75,372.48, 113,058.24 and 19,968 is: 29,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,372.48 : 113,058.24 = 19,968 : x
  2. Step 2: Convert to fraction form
    75,372.48/113,058.24 = 19,968/x
  3. Step 3: Cross multiply
    75,372.48x = 113,058.24 × 19,968
  4. Step 4: Simplify right side
    75,372.48x = 2,257,546,936.32
  5. Step 5: Solve for x
    x = 2,257,546,936.32/75,372.48
  6. Step 6: Final answer
    x = 29,951.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.