Home / 87,292.62-120,474.03-49,052.22

Finding the Fourth Proportional to 87,292.62, 120,474.03 and 49,052.22

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Solution

The fourth proportional to 87,292.62, 120,474.03 and 49,052.22 is: 67,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,292.62 : 120,474.03 = 49,052.22 : x
  2. Step 2: Convert to fraction form
    87,292.62/120,474.03 = 49,052.22/x
  3. Step 3: Cross multiply
    87,292.62x = 120,474.03 × 49,052.22
  4. Step 4: Simplify right side
    87,292.62x = 5,909,518,623.85
  5. Step 5: Solve for x
    x = 5,909,518,623.85/87,292.62
  6. Step 6: Final answer
    x = 67,697.80

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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.