Home / 87,894.04-131,844.32-45,188.04

Finding the Fourth Proportional to 87,894.04, 131,844.32 and 45,188.04

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Solution

The fourth proportional to 87,894.04, 131,844.32 and 45,188.04 is: 67,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,894.04 : 131,844.32 = 45,188.04 : x
  2. Step 2: Convert to fraction form
    87,894.04/131,844.32 = 45,188.04/x
  3. Step 3: Cross multiply
    87,894.04x = 131,844.32 × 45,188.04
  4. Step 4: Simplify right side
    87,894.04x = 5,957,786,405.93
  5. Step 5: Solve for x
    x = 5,957,786,405.93/87,894.04
  6. Step 6: Final answer
    x = 67,783.74

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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.