Home / 87,946.56-131,949-58,480.38

Finding the Fourth Proportional to 87,946.56, 131,949 and 58,480.38

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Solution

The fourth proportional to 87,946.56, 131,949 and 58,480.38 is: 87,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,946.56 : 131,949 = 58,480.38 : x
  2. Step 2: Convert to fraction form
    87,946.56/131,949 = 58,480.38/x
  3. Step 3: Cross multiply
    87,946.56x = 131,949 × 58,480.38
  4. Step 4: Simplify right side
    87,946.56x = 7,716,427,660.62
  5. Step 5: Solve for x
    x = 7,716,427,660.62/87,946.56
  6. Step 6: Final answer
    x = 87,739.96

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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.