Home / 80,433-110,997.63-46,905.48

Finding the Fourth Proportional to 80,433, 110,997.63 and 46,905.48

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Solution

The fourth proportional to 80,433, 110,997.63 and 46,905.48 is: 64,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,433 : 110,997.63 = 46,905.48 : x
  2. Step 2: Convert to fraction form
    80,433/110,997.63 = 46,905.48/x
  3. Step 3: Cross multiply
    80,433x = 110,997.63 × 46,905.48
  4. Step 4: Simplify right side
    80,433x = 5,206,397,114.01
  5. Step 5: Solve for x
    x = 5,206,397,114.01/80,433
  6. Step 6: Final answer
    x = 64,729.61

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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.