Home / 89,051.66-133,584.42-25,872.80

Finding the Fourth Proportional to 89,051.66, 133,584.42 and 25,872.80

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Solution

The fourth proportional to 89,051.66, 133,584.42 and 25,872.80 is: 38,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,051.66 : 133,584.42 = 25,872.80 : x
  2. Step 2: Convert to fraction form
    89,051.66/133,584.42 = 25,872.80/x
  3. Step 3: Cross multiply
    89,051.66x = 133,584.42 × 25,872.80
  4. Step 4: Simplify right side
    89,051.66x = 3,456,202,981.78
  5. Step 5: Solve for x
    x = 3,456,202,981.78/89,051.66
  6. Step 6: Final answer
    x = 38,811.22

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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.