Home / 57,274.92-85,917.96-21,261.06

Finding the Fourth Proportional to 57,274.92, 85,917.96 and 21,261.06

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Solution

The fourth proportional to 57,274.92, 85,917.96 and 21,261.06 is: 31,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,274.92 : 85,917.96 = 21,261.06 : x
  2. Step 2: Convert to fraction form
    57,274.92/85,917.96 = 21,261.06/x
  3. Step 3: Cross multiply
    57,274.92x = 85,917.96 × 21,261.06
  4. Step 4: Simplify right side
    57,274.92x = 1,826,706,902.64
  5. Step 5: Solve for x
    x = 1,826,706,902.64/57,274.92
  6. Step 6: Final answer
    x = 31,893.66

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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.