Home / 57,664.40-86,518.20-22,629.20

Finding the Fourth Proportional to 57,664.40, 86,518.20 and 22,629.20

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Solution

The fourth proportional to 57,664.40, 86,518.20 and 22,629.20 is: 33,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.40 : 86,518.20 = 22,629.20 : x
  2. Step 2: Convert to fraction form
    57,664.40/86,518.20 = 22,629.20/x
  3. Step 3: Cross multiply
    57,664.40x = 86,518.20 × 22,629.20
  4. Step 4: Simplify right side
    57,664.40x = 1,957,837,651.44
  5. Step 5: Solve for x
    x = 1,957,837,651.44/57,664.40
  6. Step 6: Final answer
    x = 33,952.28

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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.