Finding the Fourth Proportional to 116,593.15, 160,893.80 and 68,861.95
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Solution
The fourth proportional to 116,593.15, 160,893.80 and 68,861.95 is: 95,026.68
Step by Step Solution
- Step 1: Write the proportion equation
116,593.15 : 160,893.80 = 68,861.95 : x - Step 2: Convert to fraction form
116,593.15/160,893.80 = 68,861.95/x - Step 3: Cross multiply
116,593.15x = 160,893.80 × 68,861.95 - Step 4: Simplify right side
116,593.15x = 11,079,460,466.60 - Step 5: Solve for x
x = 11,079,460,466.60/116,593.15 - Step 6: Final answer
x = 95,026.68
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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.