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Finding the Fourth Proportional to 67,072.70, 100,602.89 and 22,694.36

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Solution

The fourth proportional to 67,072.70, 100,602.89 and 22,694.36 is: 34,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072.70 : 100,602.89 = 22,694.36 : x
  2. Step 2: Convert to fraction form
    67,072.70/100,602.89 = 22,694.36/x
  3. Step 3: Cross multiply
    67,072.70x = 100,602.89 × 22,694.36
  4. Step 4: Simplify right side
    67,072.70x = 2,283,117,586.21
  5. Step 5: Solve for x
    x = 2,283,117,586.21/67,072.70
  6. Step 6: Final answer
    x = 34,039.45

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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.