Home / 82,372.16-123,511.36-32,425.17

Finding the Fourth Proportional to 82,372.16, 123,511.36 and 32,425.17

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Solution

The fourth proportional to 82,372.16, 123,511.36 and 32,425.17 is: 48,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,372.16 : 123,511.36 = 32,425.17 : x
  2. Step 2: Convert to fraction form
    82,372.16/123,511.36 = 32,425.17/x
  3. Step 3: Cross multiply
    82,372.16x = 123,511.36 × 32,425.17
  4. Step 4: Simplify right side
    82,372.16x = 4,004,876,844.93
  5. Step 5: Solve for x
    x = 4,004,876,844.93/82,372.16
  6. Step 6: Final answer
    x = 48,619.30

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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.