Finding the Fourth Proportional to 98,514.05, 135,952.75 and 58,262.32
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Solution
The fourth proportional to 98,514.05, 135,952.75 and 58,262.32 is: 80,403.98
Step by Step Solution
- Step 1: Write the proportion equation
98,514.05 : 135,952.75 = 58,262.32 : x - Step 2: Convert to fraction form
98,514.05/135,952.75 = 58,262.32/x - Step 3: Cross multiply
98,514.05x = 135,952.75 × 58,262.32 - Step 4: Simplify right side
98,514.05x = 7,920,921,654.30 - Step 5: Solve for x
x = 7,920,921,654.30/98,514.05 - Step 6: Final answer
x = 80,403.98
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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.