Finding the Fourth Proportional to 96,841.08, 133,739.82 and 66,704.76
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Solution
The fourth proportional to 96,841.08, 133,739.82 and 66,704.76 is: 92,120.85
Step by Step Solution
- Step 1: Write the proportion equation
96,841.08 : 133,739.82 = 66,704.76 : x - Step 2: Convert to fraction form
96,841.08/133,739.82 = 66,704.76/x - Step 3: Cross multiply
96,841.08x = 133,739.82 × 66,704.76 - Step 4: Simplify right side
96,841.08x = 8,921,082,595.54 - Step 5: Solve for x
x = 8,921,082,595.54/96,841.08 - Step 6: Final answer
x = 92,120.85
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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.