Home / 87,084.22-120,170.10-48,840.88

Finding the Fourth Proportional to 87,084.22, 120,170.10 and 48,840.88

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Solution

The fourth proportional to 87,084.22, 120,170.10 and 48,840.88 is: 67,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,084.22 : 120,170.10 = 48,840.88 : x
  2. Step 2: Convert to fraction form
    87,084.22/120,170.10 = 48,840.88/x
  3. Step 3: Cross multiply
    87,084.22x = 120,170.10 × 48,840.88
  4. Step 4: Simplify right side
    87,084.22x = 5,869,213,433.69
  5. Step 5: Solve for x
    x = 5,869,213,433.69/87,084.22
  6. Step 6: Final answer
    x = 67,396.98

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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.