Home / 87,052.62-120,130.92-50,760.84

Finding the Fourth Proportional to 87,052.62, 120,130.92 and 50,760.84

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Solution

The fourth proportional to 87,052.62, 120,130.92 and 50,760.84 is: 70,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,052.62 : 120,130.92 = 50,760.84 : x
  2. Step 2: Convert to fraction form
    87,052.62/120,130.92 = 50,760.84/x
  3. Step 3: Cross multiply
    87,052.62x = 120,130.92 × 50,760.84
  4. Step 4: Simplify right side
    87,052.62x = 6,097,946,409.17
  5. Step 5: Solve for x
    x = 6,097,946,409.17/87,052.62
  6. Step 6: Final answer
    x = 70,048.97

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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.