Home / 115,772.97-173,680.11-40,936.57

Finding the Fourth Proportional to 115,772.97, 173,680.11 and 40,936.57

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Solution

The fourth proportional to 115,772.97, 173,680.11 and 40,936.57 is: 61,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,772.97 : 173,680.11 = 40,936.57 : x
  2. Step 2: Convert to fraction form
    115,772.97/173,680.11 = 40,936.57/x
  3. Step 3: Cross multiply
    115,772.97x = 173,680.11 × 40,936.57
  4. Step 4: Simplify right side
    115,772.97x = 7,109,867,980.62
  5. Step 5: Solve for x
    x = 7,109,867,980.62/115,772.97
  6. Step 6: Final answer
    x = 61,412.16

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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.