Home / 88,912.75-133,439.23-39,027.28

Finding the Fourth Proportional to 88,912.75, 133,439.23 and 39,027.28

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Solution

The fourth proportional to 88,912.75, 133,439.23 and 39,027.28 is: 58,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,912.75 : 133,439.23 = 39,027.28 : x
  2. Step 2: Convert to fraction form
    88,912.75/133,439.23 = 39,027.28/x
  3. Step 3: Cross multiply
    88,912.75x = 133,439.23 × 39,027.28
  4. Step 4: Simplify right side
    88,912.75x = 5,207,770,192.19
  5. Step 5: Solve for x
    x = 5,207,770,192.19/88,912.75
  6. Step 6: Final answer
    x = 58,571.69

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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.