Finding the Fourth Proportional to 95,976.48, 132,420.96 and 61,986.42
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Solution
The fourth proportional to 95,976.48, 132,420.96 and 61,986.42 is: 85,524.09
Step by Step Solution
- Step 1: Write the proportion equation
95,976.48 : 132,420.96 = 61,986.42 : x - Step 2: Convert to fraction form
95,976.48/132,420.96 = 61,986.42/x - Step 3: Cross multiply
95,976.48x = 132,420.96 × 61,986.42 - Step 4: Simplify right side
95,976.48x = 8,208,301,243.36 - Step 5: Solve for x
x = 8,208,301,243.36/95,976.48 - Step 6: Final answer
x = 85,524.09
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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.