Finding the Fourth Proportional to 85,349.36, 127,776.12 and 49,702
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Solution
The fourth proportional to 85,349.36, 127,776.12 and 49,702 is: 74,408.63
Step by Step Solution
- Step 1: Write the proportion equation
85,349.36 : 127,776.12 = 49,702 : x - Step 2: Convert to fraction form
85,349.36/127,776.12 = 49,702/x - Step 3: Cross multiply
85,349.36x = 127,776.12 × 49,702 - Step 4: Simplify right side
85,349.36x = 6,350,728,716.24 - Step 5: Solve for x
x = 6,350,728,716.24/85,349.36 - Step 6: Final answer
x = 74,408.63
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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.