Home / 55,732.56-83,601.68-20,664.02

Finding the Fourth Proportional to 55,732.56, 83,601.68 and 20,664.02

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Solution

The fourth proportional to 55,732.56, 83,601.68 and 20,664.02 is: 30,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.56 : 83,601.68 = 20,664.02 : x
  2. Step 2: Convert to fraction form
    55,732.56/83,601.68 = 20,664.02/x
  3. Step 3: Cross multiply
    55,732.56x = 83,601.68 × 20,664.02
  4. Step 4: Simplify right side
    55,732.56x = 1,727,546,266.23
  5. Step 5: Solve for x
    x = 1,727,546,266.23/55,732.56
  6. Step 6: Final answer
    x = 30,997.07

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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.