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Finding the Fourth Proportional to 69,072.68, 95,269.28 and 47,569.26

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Solution

The fourth proportional to 69,072.68, 95,269.28 and 47,569.26 is: 65,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.68 : 95,269.28 = 47,569.26 : x
  2. Step 2: Convert to fraction form
    69,072.68/95,269.28 = 47,569.26/x
  3. Step 3: Cross multiply
    69,072.68x = 95,269.28 × 47,569.26
  4. Step 4: Simplify right side
    69,072.68x = 4,531,889,001.43
  5. Step 5: Solve for x
    x = 4,531,889,001.43/69,072.68
  6. Step 6: Final answer
    x = 65,610.44

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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.