Home / 68,310.09-102,396.02-28,273.82

Finding the Fourth Proportional to 68,310.09, 102,396.02 and 28,273.82

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Solution

The fourth proportional to 68,310.09, 102,396.02 and 28,273.82 is: 42,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,310.09 : 102,396.02 = 28,273.82 : x
  2. Step 2: Convert to fraction form
    68,310.09/102,396.02 = 28,273.82/x
  3. Step 3: Cross multiply
    68,310.09x = 102,396.02 × 28,273.82
  4. Step 4: Simplify right side
    68,310.09x = 2,895,125,984.85
  5. Step 5: Solve for x
    x = 2,895,125,984.85/68,310.09
  6. Step 6: Final answer
    x = 42,382.11

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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.