Home / 49,780.82-74,495.75-31,069.61

Finding the Fourth Proportional to 49,780.82, 74,495.75 and 31,069.61

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Solution

The fourth proportional to 49,780.82, 74,495.75 and 31,069.61 is: 46,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.82 : 74,495.75 = 31,069.61 : x
  2. Step 2: Convert to fraction form
    49,780.82/74,495.75 = 31,069.61/x
  3. Step 3: Cross multiply
    49,780.82x = 74,495.75 × 31,069.61
  4. Step 4: Simplify right side
    49,780.82x = 2,314,554,163.07
  5. Step 5: Solve for x
    x = 2,314,554,163.07/49,780.82
  6. Step 6: Final answer
    x = 46,494.90

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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.