Home / 87,718.85-131,527.91-34,348.34

Finding the Fourth Proportional to 87,718.85, 131,527.91 and 34,348.34

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Solution

The fourth proportional to 87,718.85, 131,527.91 and 34,348.34 is: 51,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,718.85 : 131,527.91 = 34,348.34 : x
  2. Step 2: Convert to fraction form
    87,718.85/131,527.91 = 34,348.34/x
  3. Step 3: Cross multiply
    87,718.85x = 131,527.91 × 34,348.34
  4. Step 4: Simplify right side
    87,718.85x = 4,517,765,658.05
  5. Step 5: Solve for x
    x = 4,517,765,658.05/87,718.85
  6. Step 6: Final answer
    x = 51,502.79

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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.