Finding the Fourth Proportional to 96,893.42, 133,836.94 and 74,093.96
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Solution
The fourth proportional to 96,893.42, 133,836.94 and 74,093.96 is: 102,344.50
Step by Step Solution
- Step 1: Write the proportion equation
96,893.42 : 133,836.94 = 74,093.96 : x - Step 2: Convert to fraction form
96,893.42/133,836.94 = 74,093.96/x - Step 3: Cross multiply
96,893.42x = 133,836.94 × 74,093.96 - Step 4: Simplify right side
96,893.42x = 9,916,508,878.88 - Step 5: Solve for x
x = 9,916,508,878.88/96,893.42 - Step 6: Final answer
x = 102,344.50
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1.5x scale
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.