Home / 82,474.96-123,611.10-38,040.04

Finding the Fourth Proportional to 82,474.96, 123,611.10 and 38,040.04

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Solution

The fourth proportional to 82,474.96, 123,611.10 and 38,040.04 is: 57,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,474.96 : 123,611.10 = 38,040.04 : x
  2. Step 2: Convert to fraction form
    82,474.96/123,611.10 = 38,040.04/x
  3. Step 3: Cross multiply
    82,474.96x = 123,611.10 × 38,040.04
  4. Step 4: Simplify right side
    82,474.96x = 4,702,171,188.44
  5. Step 5: Solve for x
    x = 4,702,171,188.44/82,474.96
  6. Step 6: Final answer
    x = 57,013.32

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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.