Home / 69,409.80-95,946.94-61,930.26

Finding the Fourth Proportional to 69,409.80, 95,946.94 and 61,930.26

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Solution

The fourth proportional to 69,409.80, 95,946.94 and 61,930.26 is: 85,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409.80 : 95,946.94 = 61,930.26 : x
  2. Step 2: Convert to fraction form
    69,409.80/95,946.94 = 61,930.26/x
  3. Step 3: Cross multiply
    69,409.80x = 95,946.94 × 61,930.26
  4. Step 4: Simplify right side
    69,409.80x = 5,942,018,940.40
  5. Step 5: Solve for x
    x = 5,942,018,940.40/69,409.80
  6. Step 6: Final answer
    x = 85,607.78

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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.