Home / 82,311.64-123,464.62-34,896.20

Finding the Fourth Proportional to 82,311.64, 123,464.62 and 34,896.20

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Solution

The fourth proportional to 82,311.64, 123,464.62 and 34,896.20 is: 52,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.64 : 123,464.62 = 34,896.20 : x
  2. Step 2: Convert to fraction form
    82,311.64/123,464.62 = 34,896.20/x
  3. Step 3: Cross multiply
    82,311.64x = 123,464.62 × 34,896.20
  4. Step 4: Simplify right side
    82,311.64x = 4,308,446,072.44
  5. Step 5: Solve for x
    x = 4,308,446,072.44/82,311.64
  6. Step 6: Final answer
    x = 52,343.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.