Finding the Fourth Proportional to 68,163.70, 102,266.44 and 34,907.12
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Solution
The fourth proportional to 68,163.70, 102,266.44 and 34,907.12 is: 52,371.38
Step by Step Solution
- Step 1: Write the proportion equation
68,163.70 : 102,266.44 = 34,907.12 : x - Step 2: Convert to fraction form
68,163.70/102,266.44 = 34,907.12/x - Step 3: Cross multiply
68,163.70x = 102,266.44 × 34,907.12 - Step 4: Simplify right side
68,163.70x = 3,569,826,893.05 - Step 5: Solve for x
x = 3,569,826,893.05/68,163.70 - Step 6: Final answer
x = 52,371.38
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1.5x scale
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.