Home / 57,659.31-86,485.86-22,137.66

Finding the Fourth Proportional to 57,659.31, 86,485.86 and 22,137.66

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Solution

The fourth proportional to 57,659.31, 86,485.86 and 22,137.66 is: 33,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,659.31 : 86,485.86 = 22,137.66 : x
  2. Step 2: Convert to fraction form
    57,659.31/86,485.86 = 22,137.66/x
  3. Step 3: Cross multiply
    57,659.31x = 86,485.86 × 22,137.66
  4. Step 4: Simplify right side
    57,659.31x = 1,914,594,563.49
  5. Step 5: Solve for x
    x = 1,914,594,563.49/57,659.31
  6. Step 6: Final answer
    x = 33,205.30

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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.