Home / 86,075.73-118,766.09-50,249.50

Finding the Fourth Proportional to 86,075.73, 118,766.09 and 50,249.50

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Solution

The fourth proportional to 86,075.73, 118,766.09 and 50,249.50 is: 69,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075.73 : 118,766.09 = 50,249.50 : x
  2. Step 2: Convert to fraction form
    86,075.73/118,766.09 = 50,249.50/x
  3. Step 3: Cross multiply
    86,075.73x = 118,766.09 × 50,249.50
  4. Step 4: Simplify right side
    86,075.73x = 5,967,936,468.16
  5. Step 5: Solve for x
    x = 5,967,936,468.16/86,075.73
  6. Step 6: Final answer
    x = 69,333.56

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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.