Home / 57,616.72-86,425.08-18,177.82

Finding the Fourth Proportional to 57,616.72, 86,425.08 and 18,177.82

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Solution

The fourth proportional to 57,616.72, 86,425.08 and 18,177.82 is: 27,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616.72 : 86,425.08 = 18,177.82 : x
  2. Step 2: Convert to fraction form
    57,616.72/86,425.08 = 18,177.82/x
  3. Step 3: Cross multiply
    57,616.72x = 86,425.08 × 18,177.82
  4. Step 4: Simplify right side
    57,616.72x = 1,571,019,263.50
  5. Step 5: Solve for x
    x = 1,571,019,263.50/57,616.72
  6. Step 6: Final answer
    x = 27,266.73

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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.