Home / 81,935.52-122,917.32-37,566.07

Finding the Fourth Proportional to 81,935.52, 122,917.32 and 37,566.07

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Solution

The fourth proportional to 81,935.52, 122,917.32 and 37,566.07 is: 56,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.52 : 122,917.32 = 37,566.07 : x
  2. Step 2: Convert to fraction form
    81,935.52/122,917.32 = 37,566.07/x
  3. Step 3: Cross multiply
    81,935.52x = 122,917.32 × 37,566.07
  4. Step 4: Simplify right side
    81,935.52x = 4,617,520,647.33
  5. Step 5: Solve for x
    x = 4,617,520,647.33/81,935.52
  6. Step 6: Final answer
    x = 56,355.54

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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.