Home / 77,198.55-115,717.54-29,846.16

Finding the Fourth Proportional to 77,198.55, 115,717.54 and 29,846.16

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Solution

The fourth proportional to 77,198.55, 115,717.54 and 29,846.16 is: 44,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,198.55 : 115,717.54 = 29,846.16 : x
  2. Step 2: Convert to fraction form
    77,198.55/115,717.54 = 29,846.16/x
  3. Step 3: Cross multiply
    77,198.55x = 115,717.54 × 29,846.16
  4. Step 4: Simplify right side
    77,198.55x = 3,453,724,520.45
  5. Step 5: Solve for x
    x = 3,453,724,520.45/77,198.55
  6. Step 6: Final answer
    x = 44,738.21

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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.