Home / 85,180.12-127,789.62-26,024.20

Finding the Fourth Proportional to 85,180.12, 127,789.62 and 26,024.20

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Solution

The fourth proportional to 85,180.12, 127,789.62 and 26,024.20 is: 39,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180.12 : 127,789.62 = 26,024.20 : x
  2. Step 2: Convert to fraction form
    85,180.12/127,789.62 = 26,024.20/x
  3. Step 3: Cross multiply
    85,180.12x = 127,789.62 × 26,024.20
  4. Step 4: Simplify right side
    85,180.12x = 3,325,622,628.80
  5. Step 5: Solve for x
    x = 3,325,622,628.80/85,180.12
  6. Step 6: Final answer
    x = 39,042.24

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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.