Home / 68,075.97-102,114.45-23,702.65

Finding the Fourth Proportional to 68,075.97, 102,114.45 and 23,702.65

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Solution

The fourth proportional to 68,075.97, 102,114.45 and 23,702.65 is: 35,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,075.97 : 102,114.45 = 23,702.65 : x
  2. Step 2: Convert to fraction form
    68,075.97/102,114.45 = 23,702.65/x
  3. Step 3: Cross multiply
    68,075.97x = 102,114.45 × 23,702.65
  4. Step 4: Simplify right side
    68,075.97x = 2,420,382,879.67
  5. Step 5: Solve for x
    x = 2,420,382,879.67/68,075.97
  6. Step 6: Final answer
    x = 35,554.15

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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.