Home / 87,299.16-120,474.54-49,573.56

Finding the Fourth Proportional to 87,299.16, 120,474.54 and 49,573.56

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Solution

The fourth proportional to 87,299.16, 120,474.54 and 49,573.56 is: 68,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,299.16 : 120,474.54 = 49,573.56 : x
  2. Step 2: Convert to fraction form
    87,299.16/120,474.54 = 49,573.56/x
  3. Step 3: Cross multiply
    87,299.16x = 120,474.54 × 49,573.56
  4. Step 4: Simplify right side
    87,299.16x = 5,972,351,837.16
  5. Step 5: Solve for x
    x = 5,972,351,837.16/87,299.16
  6. Step 6: Final answer
    x = 68,412.48

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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.