Finding the Fourth Proportional to 68,770.53, 103,121.75 and 24,390.63
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Solution
The fourth proportional to 68,770.53, 103,121.75 and 24,390.63 is: 36,573.87
Step by Step Solution
- Step 1: Write the proportion equation
68,770.53 : 103,121.75 = 24,390.63 : x - Step 2: Convert to fraction form
68,770.53/103,121.75 = 24,390.63/x - Step 3: Cross multiply
68,770.53x = 103,121.75 × 24,390.63 - Step 4: Simplify right side
68,770.53x = 2,515,204,327.25 - Step 5: Solve for x
x = 2,515,204,327.25/68,770.53 - Step 6: Final answer
x = 36,573.87
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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.