Home / 82,255.31-123,382.45-23,091.02

Finding the Fourth Proportional to 82,255.31, 123,382.45 and 23,091.02

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Solution

The fourth proportional to 82,255.31, 123,382.45 and 23,091.02 is: 34,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,255.31 : 123,382.45 = 23,091.02 : x
  2. Step 2: Convert to fraction form
    82,255.31/123,382.45 = 23,091.02/x
  3. Step 3: Cross multiply
    82,255.31x = 123,382.45 × 23,091.02
  4. Step 4: Simplify right side
    82,255.31x = 2,849,026,620.60
  5. Step 5: Solve for x
    x = 2,849,026,620.60/82,255.31
  6. Step 6: Final answer
    x = 34,636.39

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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.