Home / 85,076.17-127,613.39-21,896.05

Finding the Fourth Proportional to 85,076.17, 127,613.39 and 21,896.05

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Solution

The fourth proportional to 85,076.17, 127,613.39 and 21,896.05 is: 32,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.17 : 127,613.39 = 21,896.05 : x
  2. Step 2: Convert to fraction form
    85,076.17/127,613.39 = 21,896.05/x
  3. Step 3: Cross multiply
    85,076.17x = 127,613.39 × 21,896.05
  4. Step 4: Simplify right side
    85,076.17x = 2,794,228,420.56
  5. Step 5: Solve for x
    x = 2,794,228,420.56/85,076.17
  6. Step 6: Final answer
    x = 32,843.84

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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.