Home / 87,000.25-120,069.97-48,766.03

Finding the Fourth Proportional to 87,000.25, 120,069.97 and 48,766.03

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Solution

The fourth proportional to 87,000.25, 120,069.97 and 48,766.03 is: 67,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.25 : 120,069.97 = 48,766.03 : x
  2. Step 2: Convert to fraction form
    87,000.25/120,069.97 = 48,766.03/x
  3. Step 3: Cross multiply
    87,000.25x = 120,069.97 × 48,766.03
  4. Step 4: Simplify right side
    87,000.25x = 5,855,335,759.12
  5. Step 5: Solve for x
    x = 5,855,335,759.12/87,000.25
  6. Step 6: Final answer
    x = 67,302.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.