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Finding the Fourth Proportional to 73,282.59, 101,224.89 and 54,201.15

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Solution

The fourth proportional to 73,282.59, 101,224.89 and 54,201.15 is: 74,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,282.59 : 101,224.89 = 54,201.15 : x
  2. Step 2: Convert to fraction form
    73,282.59/101,224.89 = 54,201.15/x
  3. Step 3: Cross multiply
    73,282.59x = 101,224.89 × 54,201.15
  4. Step 4: Simplify right side
    73,282.59x = 5,486,505,446.62
  5. Step 5: Solve for x
    x = 5,486,505,446.62/73,282.59
  6. Step 6: Final answer
    x = 74,867.79

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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.