Finding the Fourth Proportional to 69,725.75, 104,473.67 and 40,168.44
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Solution
The fourth proportional to 69,725.75, 104,473.67 and 40,168.44 is: 60,186.44
Step by Step Solution
- Step 1: Write the proportion equation
69,725.75 : 104,473.67 = 40,168.44 : x - Step 2: Convert to fraction form
69,725.75/104,473.67 = 40,168.44/x - Step 3: Cross multiply
69,725.75x = 104,473.67 × 40,168.44 - Step 4: Simplify right side
69,725.75x = 4,196,544,144.13 - Step 5: Solve for x
x = 4,196,544,144.13/69,725.75 - Step 6: Final answer
x = 60,186.44
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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.