Finding the Fourth Proportional to 68,144.24, 102,216.80 and 23,770.80
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Solution
The fourth proportional to 68,144.24, 102,216.80 and 23,770.80 is: 35,656.35
Step by Step Solution
- Step 1: Write the proportion equation
68,144.24 : 102,216.80 = 23,770.80 : x - Step 2: Convert to fraction form
68,144.24/102,216.80 = 23,770.80/x - Step 3: Cross multiply
68,144.24x = 102,216.80 × 23,770.80 - Step 4: Simplify right side
68,144.24x = 2,429,775,109.44 - Step 5: Solve for x
x = 2,429,775,109.44/68,144.24 - Step 6: Final answer
x = 35,656.35
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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.