Home / 78,647.91-117,944.06-25,337.73

Finding the Fourth Proportional to 78,647.91, 117,944.06 and 25,337.73

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Solution

The fourth proportional to 78,647.91, 117,944.06 and 25,337.73 is: 37,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,647.91 : 117,944.06 = 25,337.73 : x
  2. Step 2: Convert to fraction form
    78,647.91/117,944.06 = 25,337.73/x
  3. Step 3: Cross multiply
    78,647.91x = 117,944.06 × 25,337.73
  4. Step 4: Simplify right side
    78,647.91x = 2,988,434,747.38
  5. Step 5: Solve for x
    x = 2,988,434,747.38/78,647.91
  6. Step 6: Final answer
    x = 37,997.64

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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.