Home / 88,734.16-133,107.62-27,939.20

Finding the Fourth Proportional to 88,734.16, 133,107.62 and 27,939.20

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Solution

The fourth proportional to 88,734.16, 133,107.62 and 27,939.20 is: 41,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,734.16 : 133,107.62 = 27,939.20 : x
  2. Step 2: Convert to fraction form
    88,734.16/133,107.62 = 27,939.20/x
  3. Step 3: Cross multiply
    88,734.16x = 133,107.62 × 27,939.20
  4. Step 4: Simplify right side
    88,734.16x = 3,718,920,416.70
  5. Step 5: Solve for x
    x = 3,718,920,416.70/88,734.16
  6. Step 6: Final answer
    x = 41,910.81

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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.