Home / 87,796.94-131,438.36-54,416.30

Finding the Fourth Proportional to 87,796.94, 131,438.36 and 54,416.30

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Solution

The fourth proportional to 87,796.94, 131,438.36 and 54,416.30 is: 81,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.94 : 131,438.36 = 54,416.30 : x
  2. Step 2: Convert to fraction form
    87,796.94/131,438.36 = 54,416.30/x
  3. Step 3: Cross multiply
    87,796.94x = 131,438.36 × 54,416.30
  4. Step 4: Simplify right side
    87,796.94x = 7,152,389,229.27
  5. Step 5: Solve for x
    x = 7,152,389,229.27/87,796.94
  6. Step 6: Final answer
    x = 81,465.13

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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.