Finding the Fourth Proportional to 75,706.98, 104,310.36 and 50,512.74
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Solution
The fourth proportional to 75,706.98, 104,310.36 and 50,512.74 is: 69,597.31
Step by Step Solution
- Step 1: Write the proportion equation
75,706.98 : 104,310.36 = 50,512.74 : x - Step 2: Convert to fraction form
75,706.98/104,310.36 = 50,512.74/x - Step 3: Cross multiply
75,706.98x = 104,310.36 × 50,512.74 - Step 4: Simplify right side
75,706.98x = 5,269,002,093.99 - Step 5: Solve for x
x = 5,269,002,093.99/75,706.98 - Step 6: Final answer
x = 69,597.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.