Finding the Fourth Proportional to 84,806.92, 117,029.46 and 48,997.96
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Solution
The fourth proportional to 84,806.92, 117,029.46 and 48,997.96 is: 67,614.82
Step by Step Solution
- Step 1: Write the proportion equation
84,806.92 : 117,029.46 = 48,997.96 : x - Step 2: Convert to fraction form
84,806.92/117,029.46 = 48,997.96/x - Step 3: Cross multiply
84,806.92x = 117,029.46 × 48,997.96 - Step 4: Simplify right side
84,806.92x = 5,734,204,799.90 - Step 5: Solve for x
x = 5,734,204,799.90/84,806.92 - Step 6: Final answer
x = 67,614.82
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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.