Finding the Fourth Proportional to 89,716.49, 134,474.15 and 36,396.08
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Solution
The fourth proportional to 89,716.49, 134,474.15 and 36,396.08 is: 54,553.31
Step by Step Solution
- Step 1: Write the proportion equation
89,716.49 : 134,474.15 = 36,396.08 : x - Step 2: Convert to fraction form
89,716.49/134,474.15 = 36,396.08/x - Step 3: Cross multiply
89,716.49x = 134,474.15 × 36,396.08 - Step 4: Simplify right side
89,716.49x = 4,894,331,066.98 - Step 5: Solve for x
x = 4,894,331,066.98/89,716.49 - Step 6: Final answer
x = 54,553.31
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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.