Home / 76,830.44-115,297.56-26,910.92

Finding the Fourth Proportional to 76,830.44, 115,297.56 and 26,910.92

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Solution

The fourth proportional to 76,830.44, 115,297.56 and 26,910.92 is: 40,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,830.44 : 115,297.56 = 26,910.92 : x
  2. Step 2: Convert to fraction form
    76,830.44/115,297.56 = 26,910.92/x
  3. Step 3: Cross multiply
    76,830.44x = 115,297.56 × 26,910.92
  4. Step 4: Simplify right side
    76,830.44x = 3,102,763,413.36
  5. Step 5: Solve for x
    x = 3,102,763,413.36/76,830.44
  6. Step 6: Final answer
    x = 40,384.56

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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.