Finding the Fourth Proportional to 68,771.00, 102,690.87 and 54,571.62
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Solution
The fourth proportional to 68,771.00, 102,690.87 and 54,571.62 is: 81,487.95
Step by Step Solution
- Step 1: Write the proportion equation
68,771.00 : 102,690.87 = 54,571.62 : x - Step 2: Convert to fraction form
68,771.00/102,690.87 = 54,571.62/x - Step 3: Cross multiply
68,771.00x = 102,690.87 × 54,571.62 - Step 4: Simplify right side
68,771.00x = 5,604,007,135.11 - Step 5: Solve for x
x = 5,604,007,135.11/68,771.00 - Step 6: Final answer
x = 81,487.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.