Home / 81,889.06-122,791.79-37,477.73

Finding the Fourth Proportional to 81,889.06, 122,791.79 and 37,477.73

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Solution

The fourth proportional to 81,889.06, 122,791.79 and 37,477.73 is: 56,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,889.06 : 122,791.79 = 37,477.73 : x
  2. Step 2: Convert to fraction form
    81,889.06/122,791.79 = 37,477.73/x
  3. Step 3: Cross multiply
    81,889.06x = 122,791.79 × 37,477.73
  4. Step 4: Simplify right side
    81,889.06x = 4,601,958,050.47
  5. Step 5: Solve for x
    x = 4,601,958,050.47/81,889.06
  6. Step 6: Final answer
    x = 56,197.47

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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.