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Finding the Fourth Proportional to 66,846.66, 100,268.10 and 22,475.94

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Solution

The fourth proportional to 66,846.66, 100,268.10 and 22,475.94 is: 33,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846.66 : 100,268.10 = 22,475.94 : x
  2. Step 2: Convert to fraction form
    66,846.66/100,268.10 = 22,475.94/x
  3. Step 3: Cross multiply
    66,846.66x = 100,268.10 × 22,475.94
  4. Step 4: Simplify right side
    66,846.66x = 2,253,619,799.51
  5. Step 5: Solve for x
    x = 2,253,619,799.51/66,846.66
  6. Step 6: Final answer
    x = 33,713.27

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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.