Home / 55,982.16-83,944.08-20,892.96

Finding the Fourth Proportional to 55,982.16, 83,944.08 and 20,892.96

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Solution

The fourth proportional to 55,982.16, 83,944.08 and 20,892.96 is: 31,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982.16 : 83,944.08 = 20,892.96 : x
  2. Step 2: Convert to fraction form
    55,982.16/83,944.08 = 20,892.96/x
  3. Step 3: Cross multiply
    55,982.16x = 83,944.08 × 20,892.96
  4. Step 4: Simplify right side
    55,982.16x = 1,753,840,305.68
  5. Step 5: Solve for x
    x = 1,753,840,305.68/55,982.16
  6. Step 6: Final answer
    x = 31,328.56

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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.