Home / 85,181.12-127,791.12-26,025.20

Finding the Fourth Proportional to 85,181.12, 127,791.12 and 26,025.20

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Solution

The fourth proportional to 85,181.12, 127,791.12 and 26,025.20 is: 39,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.12 : 127,791.12 = 26,025.20 : x
  2. Step 2: Convert to fraction form
    85,181.12/127,791.12 = 26,025.20/x
  3. Step 3: Cross multiply
    85,181.12x = 127,791.12 × 26,025.20
  4. Step 4: Simplify right side
    85,181.12x = 3,325,789,456.22
  5. Step 5: Solve for x
    x = 3,325,789,456.22/85,181.12
  6. Step 6: Final answer
    x = 39,043.74

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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.