Home / 75,617.72-113,431.80-25,677.44

Finding the Fourth Proportional to 75,617.72, 113,431.80 and 25,677.44

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Solution

The fourth proportional to 75,617.72, 113,431.80 and 25,677.44 is: 38,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,617.72 : 113,431.80 = 25,677.44 : x
  2. Step 2: Convert to fraction form
    75,617.72/113,431.80 = 25,677.44/x
  3. Step 3: Cross multiply
    75,617.72x = 113,431.80 × 25,677.44
  4. Step 4: Simplify right side
    75,617.72x = 2,912,638,238.59
  5. Step 5: Solve for x
    x = 2,912,638,238.59/75,617.72
  6. Step 6: Final answer
    x = 38,517.93

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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.