Home / 87,929.90-131,951.55-48,515.30

Finding the Fourth Proportional to 87,929.90, 131,951.55 and 48,515.30

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Solution

The fourth proportional to 87,929.90, 131,951.55 and 48,515.30 is: 72,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,929.90 : 131,951.55 = 48,515.30 : x
  2. Step 2: Convert to fraction form
    87,929.90/131,951.55 = 48,515.30/x
  3. Step 3: Cross multiply
    87,929.90x = 131,951.55 × 48,515.30
  4. Step 4: Simplify right side
    87,929.90x = 6,401,669,033.72
  5. Step 5: Solve for x
    x = 6,401,669,033.72/87,929.90
  6. Step 6: Final answer
    x = 72,804.23

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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.