Home / 82,612.98-113,997.32-48,619.44

Finding the Fourth Proportional to 82,612.98, 113,997.32 and 48,619.44

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Solution

The fourth proportional to 82,612.98, 113,997.32 and 48,619.44 is: 67,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,612.98 : 113,997.32 = 48,619.44 : x
  2. Step 2: Convert to fraction form
    82,612.98/113,997.32 = 48,619.44/x
  3. Step 3: Cross multiply
    82,612.98x = 113,997.32 × 48,619.44
  4. Step 4: Simplify right side
    82,612.98x = 5,542,485,859.90
  5. Step 5: Solve for x
    x = 5,542,485,859.90/82,612.98
  6. Step 6: Final answer
    x = 67,089.77

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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.