Home / 57,618.23-86,427.33-18,179.33

Finding the Fourth Proportional to 57,618.23, 86,427.33 and 18,179.33

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Solution

The fourth proportional to 57,618.23, 86,427.33 and 18,179.33 is: 27,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.23 : 86,427.33 = 18,179.33 : x
  2. Step 2: Convert to fraction form
    57,618.23/86,427.33 = 18,179.33/x
  3. Step 3: Cross multiply
    57,618.23x = 86,427.33 × 18,179.33
  4. Step 4: Simplify right side
    57,618.23x = 1,571,190,520.95
  5. Step 5: Solve for x
    x = 1,571,190,520.95/57,618.23
  6. Step 6: Final answer
    x = 27,268.99

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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.