Home / 81,134.82-111,965.77-44,835.26

Finding the Fourth Proportional to 81,134.82, 111,965.77 and 44,835.26

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Solution

The fourth proportional to 81,134.82, 111,965.77 and 44,835.26 is: 61,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,134.82 : 111,965.77 = 44,835.26 : x
  2. Step 2: Convert to fraction form
    81,134.82/111,965.77 = 44,835.26/x
  3. Step 3: Cross multiply
    81,134.82x = 111,965.77 × 44,835.26
  4. Step 4: Simplify right side
    81,134.82x = 5,020,014,409.05
  5. Step 5: Solve for x
    x = 5,020,014,409.05/81,134.82
  6. Step 6: Final answer
    x = 61,872.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.