Home / 68,828.38-103,232.85-22,075.18

Finding the Fourth Proportional to 68,828.38, 103,232.85 and 22,075.18

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Solution

The fourth proportional to 68,828.38, 103,232.85 and 22,075.18 is: 33,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.38 : 103,232.85 = 22,075.18 : x
  2. Step 2: Convert to fraction form
    68,828.38/103,232.85 = 22,075.18/x
  3. Step 3: Cross multiply
    68,828.38x = 103,232.85 × 22,075.18
  4. Step 4: Simplify right side
    68,828.38x = 2,278,883,745.66
  5. Step 5: Solve for x
    x = 2,278,883,745.66/68,828.38
  6. Step 6: Final answer
    x = 33,109.65

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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.