Finding the Fourth Proportional to 68,137.20, 102,165.30 and 41,860.80
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Solution
The fourth proportional to 68,137.20, 102,165.30 and 41,860.80 is: 62,766.32
Step by Step Solution
- Step 1: Write the proportion equation
68,137.20 : 102,165.30 = 41,860.80 : x - Step 2: Convert to fraction form
68,137.20/102,165.30 = 41,860.80/x - Step 3: Cross multiply
68,137.20x = 102,165.30 × 41,860.80 - Step 4: Simplify right side
68,137.20x = 4,276,721,190.24 - Step 5: Solve for x
x = 4,276,721,190.24/68,137.20 - Step 6: Final answer
x = 62,766.32
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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.