Home / 82,179.44-113,408.16-48,180.32

Finding the Fourth Proportional to 82,179.44, 113,408.16 and 48,180.32

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Solution

The fourth proportional to 82,179.44, 113,408.16 and 48,180.32 is: 66,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,179.44 : 113,408.16 = 48,180.32 : x
  2. Step 2: Convert to fraction form
    82,179.44/113,408.16 = 48,180.32/x
  3. Step 3: Cross multiply
    82,179.44x = 113,408.16 × 48,180.32
  4. Step 4: Simplify right side
    82,179.44x = 5,464,041,439.41
  5. Step 5: Solve for x
    x = 5,464,041,439.41/82,179.44
  6. Step 6: Final answer
    x = 66,489.15

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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.