Home / 57,277.11-85,928.03-17,292.78

Finding the Fourth Proportional to 57,277.11, 85,928.03 and 17,292.78

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Solution

The fourth proportional to 57,277.11, 85,928.03 and 17,292.78 is: 25,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,277.11 : 85,928.03 = 17,292.78 : x
  2. Step 2: Convert to fraction form
    57,277.11/85,928.03 = 17,292.78/x
  3. Step 3: Cross multiply
    57,277.11x = 85,928.03 × 17,292.78
  4. Step 4: Simplify right side
    57,277.11x = 1,485,934,002.52
  5. Step 5: Solve for x
    x = 1,485,934,002.52/57,277.11
  6. Step 6: Final answer
    x = 25,942.89

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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.