Finding the Fourth Proportional to 68,385.19, 102,544.93 and 32,331.62
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Solution
The fourth proportional to 68,385.19, 102,544.93 and 32,331.62 is: 48,481.90
Step by Step Solution
- Step 1: Write the proportion equation
68,385.19 : 102,544.93 = 32,331.62 : x - Step 2: Convert to fraction form
68,385.19/102,544.93 = 32,331.62/x - Step 3: Cross multiply
68,385.19x = 102,544.93 × 32,331.62 - Step 4: Simplify right side
68,385.19x = 3,315,443,709.69 - Step 5: Solve for x
x = 3,315,443,709.69/68,385.19 - Step 6: Final answer
x = 48,481.90
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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.