Home / 100,096.83-138,136.97-54,773.84

Finding the Fourth Proportional to 100,096.83, 138,136.97 and 54,773.84

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Solution

The fourth proportional to 100,096.83, 138,136.97 and 54,773.84 is: 75,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,096.83 : 138,136.97 = 54,773.84 : x
  2. Step 2: Convert to fraction form
    100,096.83/138,136.97 = 54,773.84/x
  3. Step 3: Cross multiply
    100,096.83x = 138,136.97 × 54,773.84
  4. Step 4: Simplify right side
    100,096.83x = 7,566,292,292.86
  5. Step 5: Solve for x
    x = 7,566,292,292.86/100,096.83
  6. Step 6: Final answer
    x = 75,589.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.