Home / 67,196.16-100,840.68-27,753.60

Finding the Fourth Proportional to 67,196.16, 100,840.68 and 27,753.60

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Solution

The fourth proportional to 67,196.16, 100,840.68 and 27,753.60 is: 41,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,196.16 : 100,840.68 = 27,753.60 : x
  2. Step 2: Convert to fraction form
    67,196.16/100,840.68 = 27,753.60/x
  3. Step 3: Cross multiply
    67,196.16x = 100,840.68 × 27,753.60
  4. Step 4: Simplify right side
    67,196.16x = 2,798,691,896.45
  5. Step 5: Solve for x
    x = 2,798,691,896.45/67,196.16
  6. Step 6: Final answer
    x = 41,649.58

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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.