Home / 82,172.42-113,399.44-48,205.28

Finding the Fourth Proportional to 82,172.42, 113,399.44 and 48,205.28

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Solution

The fourth proportional to 82,172.42, 113,399.44 and 48,205.28 is: 66,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,172.42 : 113,399.44 = 48,205.28 : x
  2. Step 2: Convert to fraction form
    82,172.42/113,399.44 = 48,205.28/x
  3. Step 3: Cross multiply
    82,172.42x = 113,399.44 × 48,205.28
  4. Step 4: Simplify right side
    82,172.42x = 5,466,451,757.04
  5. Step 5: Solve for x
    x = 5,466,451,757.04/82,172.42
  6. Step 6: Final answer
    x = 66,524.17

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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.