Home / 114,172.48-157,589.68-66,435.04

Finding the Fourth Proportional to 114,172.48, 157,589.68 and 66,435.04

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Solution

The fourth proportional to 114,172.48, 157,589.68 and 66,435.04 is: 91,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,172.48 : 157,589.68 = 66,435.04 : x
  2. Step 2: Convert to fraction form
    114,172.48/157,589.68 = 66,435.04/x
  3. Step 3: Cross multiply
    114,172.48x = 157,589.68 × 66,435.04
  4. Step 4: Simplify right side
    114,172.48x = 10,469,476,694.39
  5. Step 5: Solve for x
    x = 10,469,476,694.39/114,172.48
  6. Step 6: Final answer
    x = 91,698.78

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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.