Home / 57,104.57-85,667.78-17,654.73

Finding the Fourth Proportional to 57,104.57, 85,667.78 and 17,654.73

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Solution

The fourth proportional to 57,104.57, 85,667.78 and 17,654.73 is: 26,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.57 : 85,667.78 = 17,654.73 : x
  2. Step 2: Convert to fraction form
    57,104.57/85,667.78 = 17,654.73/x
  3. Step 3: Cross multiply
    57,104.57x = 85,667.78 × 17,654.73
  4. Step 4: Simplify right side
    57,104.57x = 1,512,441,437.33
  5. Step 5: Solve for x
    x = 1,512,441,437.33/57,104.57
  6. Step 6: Final answer
    x = 26,485.47

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1.5x scale

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.