Finding the Fourth Proportional to 68,310.44, 102,465.20 and 21,563.31
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Solution
The fourth proportional to 68,310.44, 102,465.20 and 21,563.31 is: 32,344.83
Step by Step Solution
- Step 1: Write the proportion equation
68,310.44 : 102,465.20 = 21,563.31 : x - Step 2: Convert to fraction form
68,310.44/102,465.20 = 21,563.31/x - Step 3: Cross multiply
68,310.44x = 102,465.20 × 21,563.31 - Step 4: Simplify right side
68,310.44x = 2,209,489,309.96 - Step 5: Solve for x
x = 2,209,489,309.96/68,310.44 - Step 6: Final answer
x = 32,344.83
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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.