Home / 87,022.82-130,571.44-36,433.66

Finding the Fourth Proportional to 87,022.82, 130,571.44 and 36,433.66

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Solution

The fourth proportional to 87,022.82, 130,571.44 and 36,433.66 is: 54,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.82 : 130,571.44 = 36,433.66 : x
  2. Step 2: Convert to fraction form
    87,022.82/130,571.44 = 36,433.66/x
  3. Step 3: Cross multiply
    87,022.82x = 130,571.44 × 36,433.66
  4. Step 4: Simplify right side
    87,022.82x = 4,757,195,450.67
  5. Step 5: Solve for x
    x = 4,757,195,450.67/87,022.82
  6. Step 6: Final answer
    x = 54,666.07

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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.