Home / 81,997.94-113,142.12-46,180.28

Finding the Fourth Proportional to 81,997.94, 113,142.12 and 46,180.28

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Solution

The fourth proportional to 81,997.94, 113,142.12 and 46,180.28 is: 63,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,997.94 : 113,142.12 = 46,180.28 : x
  2. Step 2: Convert to fraction form
    81,997.94/113,142.12 = 46,180.28/x
  3. Step 3: Cross multiply
    81,997.94x = 113,142.12 × 46,180.28
  4. Step 4: Simplify right side
    81,997.94x = 5,224,934,215.68
  5. Step 5: Solve for x
    x = 5,224,934,215.68/81,997.94
  6. Step 6: Final answer
    x = 63,720.31

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1.5x scale

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.