Home / 87,349.60-120,541.82-49,623.84

Finding the Fourth Proportional to 87,349.60, 120,541.82 and 49,623.84

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Solution

The fourth proportional to 87,349.60, 120,541.82 and 49,623.84 is: 68,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,349.60 : 120,541.82 = 49,623.84 : x
  2. Step 2: Convert to fraction form
    87,349.60/120,541.82 = 49,623.84/x
  3. Step 3: Cross multiply
    87,349.60x = 120,541.82 × 49,623.84
  4. Step 4: Simplify right side
    87,349.60x = 5,981,747,988.99
  5. Step 5: Solve for x
    x = 5,981,747,988.99/87,349.60
  6. Step 6: Final answer
    x = 68,480.54

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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.