Finding the Fourth Proportional to 97,869.92, 146,804.64 and 27,749.28
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Solution
The fourth proportional to 97,869.92, 146,804.64 and 27,749.28 is: 41,623.85
Step by Step Solution
- Step 1: Write the proportion equation
97,869.92 : 146,804.64 = 27,749.28 : x - Step 2: Convert to fraction form
97,869.92/146,804.64 = 27,749.28/x - Step 3: Cross multiply
97,869.92x = 146,804.64 × 27,749.28 - Step 4: Simplify right side
97,869.92x = 4,073,723,060.66 - Step 5: Solve for x
x = 4,073,723,060.66/97,869.92 - Step 6: Final answer
x = 41,623.85
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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.