Home / 87,683.04-131,466.78-31,494.96

Finding the Fourth Proportional to 87,683.04, 131,466.78 and 31,494.96

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Solution

The fourth proportional to 87,683.04, 131,466.78 and 31,494.96 is: 47,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683.04 : 131,466.78 = 31,494.96 : x
  2. Step 2: Convert to fraction form
    87,683.04/131,466.78 = 31,494.96/x
  3. Step 3: Cross multiply
    87,683.04x = 131,466.78 × 31,494.96
  4. Step 4: Simplify right side
    87,683.04x = 4,140,540,977.43
  5. Step 5: Solve for x
    x = 4,140,540,977.43/87,683.04
  6. Step 6: Final answer
    x = 47,221.69

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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.