Finding the Fourth Proportional to 71,089.49, 106,716.25 and 36,102.96
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Solution
The fourth proportional to 71,089.49, 106,716.25 and 36,102.96 is: 54,196.09
Step by Step Solution
- Step 1: Write the proportion equation
71,089.49 : 106,716.25 = 36,102.96 : x - Step 2: Convert to fraction form
71,089.49/106,716.25 = 36,102.96/x - Step 3: Cross multiply
71,089.49x = 106,716.25 × 36,102.96 - Step 4: Simplify right side
71,089.49x = 3,852,772,505.10 - Step 5: Solve for x
x = 3,852,772,505.10/71,089.49 - Step 6: Final answer
x = 54,196.09
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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.