Home / 87,544.40-131,462.40-48,129.80

Finding the Fourth Proportional to 87,544.40, 131,462.40 and 48,129.80

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Solution

The fourth proportional to 87,544.40, 131,462.40 and 48,129.80 is: 72,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544.40 : 131,462.40 = 48,129.80 : x
  2. Step 2: Convert to fraction form
    87,544.40/131,462.40 = 48,129.80/x
  3. Step 3: Cross multiply
    87,544.40x = 131,462.40 × 48,129.80
  4. Step 4: Simplify right side
    87,544.40x = 6,327,259,019.52
  5. Step 5: Solve for x
    x = 6,327,259,019.52/87,544.40
  6. Step 6: Final answer
    x = 72,274.86

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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.