Home / 75,512.88-113,261.49-25,591.68

Finding the Fourth Proportional to 75,512.88, 113,261.49 and 25,591.68

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Solution

The fourth proportional to 75,512.88, 113,261.49 and 25,591.68 is: 38,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.88 : 113,261.49 = 25,591.68 : x
  2. Step 2: Convert to fraction form
    75,512.88/113,261.49 = 25,591.68/x
  3. Step 3: Cross multiply
    75,512.88x = 113,261.49 × 25,591.68
  4. Step 4: Simplify right side
    75,512.88x = 2,898,551,808.40
  5. Step 5: Solve for x
    x = 2,898,551,808.40/75,512.88
  6. Step 6: Final answer
    x = 38,384.87

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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.