Finding the Fourth Proportional to 73,431.92, 101,341.06 and 41,601.08
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Solution
The fourth proportional to 73,431.92, 101,341.06 and 41,601.08 is: 57,412.33
Step by Step Solution
- Step 1: Write the proportion equation
73,431.92 : 101,341.06 = 41,601.08 : x - Step 2: Convert to fraction form
73,431.92/101,341.06 = 41,601.08/x - Step 3: Cross multiply
73,431.92x = 101,341.06 × 41,601.08 - Step 4: Simplify right side
73,431.92x = 4,215,897,544.34 - Step 5: Solve for x
x = 4,215,897,544.34/73,431.92 - Step 6: Final answer
x = 57,412.33
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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.