Home / 85,168.32-127,771.15-25,192.09

Finding the Fourth Proportional to 85,168.32, 127,771.15 and 25,192.09

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Solution

The fourth proportional to 85,168.32, 127,771.15 and 25,192.09 is: 37,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,168.32 : 127,771.15 = 25,192.09 : x
  2. Step 2: Convert to fraction form
    85,168.32/127,771.15 = 25,192.09/x
  3. Step 3: Cross multiply
    85,168.32x = 127,771.15 × 25,192.09
  4. Step 4: Simplify right side
    85,168.32x = 3,218,822,310.20
  5. Step 5: Solve for x
    x = 3,218,822,310.20/85,168.32
  6. Step 6: Final answer
    x = 37,793.66

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1.5x scale

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.