Home / 82,305.09-123,462.15-23,136.06

Finding the Fourth Proportional to 82,305.09, 123,462.15 and 23,136.06

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Solution

The fourth proportional to 82,305.09, 123,462.15 and 23,136.06 is: 34,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,305.09 : 123,462.15 = 23,136.06 : x
  2. Step 2: Convert to fraction form
    82,305.09/123,462.15 = 23,136.06/x
  3. Step 3: Cross multiply
    82,305.09x = 123,462.15 × 23,136.06
  4. Step 4: Simplify right side
    82,305.09x = 2,856,427,710.13
  5. Step 5: Solve for x
    x = 2,856,427,710.13/82,305.09
  6. Step 6: Final answer
    x = 34,705.36

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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.