Home / 81,135.14-111,967.44-44,836.44

Finding the Fourth Proportional to 81,135.14, 111,967.44 and 44,836.44

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Solution

The fourth proportional to 81,135.14, 111,967.44 and 44,836.44 is: 61,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,135.14 : 111,967.44 = 44,836.44 : x
  2. Step 2: Convert to fraction form
    81,135.14/111,967.44 = 44,836.44/x
  3. Step 3: Cross multiply
    81,135.14x = 111,967.44 × 44,836.44
  4. Step 4: Simplify right side
    81,135.14x = 5,020,221,405.51
  5. Step 5: Solve for x
    x = 5,020,221,405.51/81,135.14
  6. Step 6: Final answer
    x = 61,874.81

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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.