Finding the Fourth Proportional to 96,905.11, 145,379.60 and 33,728.21
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Solution
The fourth proportional to 96,905.11, 145,379.60 and 33,728.21 is: 50,599.95
Step by Step Solution
- Step 1: Write the proportion equation
96,905.11 : 145,379.60 = 33,728.21 : x - Step 2: Convert to fraction form
96,905.11/145,379.60 = 33,728.21/x - Step 3: Cross multiply
96,905.11x = 145,379.60 × 33,728.21 - Step 4: Simplify right side
96,905.11x = 4,903,393,678.52 - Step 5: Solve for x
x = 4,903,393,678.52/96,905.11 - Step 6: Final answer
x = 50,599.95
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1.5x scale
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.