Finding the Fourth Proportional to 95,898.62, 132,396.79 and 85,258.80
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Solution
The fourth proportional to 95,898.62, 132,396.79 and 85,258.80 is: 117,707.55
Step by Step Solution
- Step 1: Write the proportion equation
95,898.62 : 132,396.79 = 85,258.80 : x - Step 2: Convert to fraction form
95,898.62/132,396.79 = 85,258.80/x - Step 3: Cross multiply
95,898.62x = 132,396.79 × 85,258.80 - Step 4: Simplify right side
95,898.62x = 11,287,991,226.11 - Step 5: Solve for x
x = 11,287,991,226.11/95,898.62 - Step 6: Final answer
x = 117,707.55
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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.