Finding the Fourth Proportional to 76,205.93, 114,344.36 and 34,114.49
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Solution
The fourth proportional to 76,205.93, 114,344.36 and 34,114.49 is: 51,187.62
Step by Step Solution
- Step 1: Write the proportion equation
76,205.93 : 114,344.36 = 34,114.49 : x - Step 2: Convert to fraction form
76,205.93/114,344.36 = 34,114.49/x - Step 3: Cross multiply
76,205.93x = 114,344.36 × 34,114.49 - Step 4: Simplify right side
76,205.93x = 3,900,800,131.53 - Step 5: Solve for x
x = 3,900,800,131.53/76,205.93 - Step 6: Final answer
x = 51,187.62
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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.