Home / 72,442.04-108,640.94-50,096.36

Finding the Fourth Proportional to 72,442.04, 108,640.94 and 50,096.36

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Solution

The fourth proportional to 72,442.04, 108,640.94 and 50,096.36 is: 75,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,442.04 : 108,640.94 = 50,096.36 : x
  2. Step 2: Convert to fraction form
    72,442.04/108,640.94 = 50,096.36/x
  3. Step 3: Cross multiply
    72,442.04x = 108,640.94 × 50,096.36
  4. Step 4: Simplify right side
    72,442.04x = 5,442,515,640.98
  5. Step 5: Solve for x
    x = 5,442,515,640.98/72,442.04
  6. Step 6: Final answer
    x = 75,129.24

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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.