Home / 82,321.64-123,468.08-23,143.26

Finding the Fourth Proportional to 82,321.64, 123,468.08 and 23,143.26

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Solution

The fourth proportional to 82,321.64, 123,468.08 and 23,143.26 is: 34,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,321.64 : 123,468.08 = 23,143.26 : x
  2. Step 2: Convert to fraction form
    82,321.64/123,468.08 = 23,143.26/x
  3. Step 3: Cross multiply
    82,321.64x = 123,468.08 × 23,143.26
  4. Step 4: Simplify right side
    82,321.64x = 2,857,453,877.14
  5. Step 5: Solve for x
    x = 2,857,453,877.14/82,321.64
  6. Step 6: Final answer
    x = 34,710.85

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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.