Home / 87,485.41-131,286.03-48,070

Finding the Fourth Proportional to 87,485.41, 131,286.03 and 48,070

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Solution

The fourth proportional to 87,485.41, 131,286.03 and 48,070 is: 72,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,485.41 : 131,286.03 = 48,070 : x
  2. Step 2: Convert to fraction form
    87,485.41/131,286.03 = 48,070/x
  3. Step 3: Cross multiply
    87,485.41x = 131,286.03 × 48,070
  4. Step 4: Simplify right side
    87,485.41x = 6,310,919,462.10
  5. Step 5: Solve for x
    x = 6,310,919,462.10/87,485.41
  6. Step 6: Final answer
    x = 72,136.82

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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.