Home / 82,135.64-123,206.94-32,211.32

Finding the Fourth Proportional to 82,135.64, 123,206.94 and 32,211.32

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Solution

The fourth proportional to 82,135.64, 123,206.94 and 32,211.32 is: 48,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,135.64 : 123,206.94 = 32,211.32 : x
  2. Step 2: Convert to fraction form
    82,135.64/123,206.94 = 32,211.32/x
  3. Step 3: Cross multiply
    82,135.64x = 123,206.94 × 32,211.32
  4. Step 4: Simplify right side
    82,135.64x = 3,968,658,170.56
  5. Step 5: Solve for x
    x = 3,968,658,170.56/82,135.64
  6. Step 6: Final answer
    x = 48,318.34

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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.