Home / 81,040.21-111,841.66-44,748.65

Finding the Fourth Proportional to 81,040.21, 111,841.66 and 44,748.65

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Solution

The fourth proportional to 81,040.21, 111,841.66 and 44,748.65 is: 61,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,040.21 : 111,841.66 = 44,748.65 : x
  2. Step 2: Convert to fraction form
    81,040.21/111,841.66 = 44,748.65/x
  3. Step 3: Cross multiply
    81,040.21x = 111,841.66 × 44,748.65
  4. Step 4: Simplify right side
    81,040.21x = 5,004,763,634.30
  5. Step 5: Solve for x
    x = 5,004,763,634.30/81,040.21
  6. Step 6: Final answer
    x = 61,756.55

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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.