Finding the Fourth Proportional to 84,769.92, 116,988.08 and 48,961.44
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Solution
The fourth proportional to 84,769.92, 116,988.08 and 48,961.44 is: 67,570.02
Step by Step Solution
- Step 1: Write the proportion equation
84,769.92 : 116,988.08 = 48,961.44 : x - Step 2: Convert to fraction form
84,769.92/116,988.08 = 48,961.44/x - Step 3: Cross multiply
84,769.92x = 116,988.08 × 48,961.44 - Step 4: Simplify right side
84,769.92x = 5,727,904,859.64 - Step 5: Solve for x
x = 5,727,904,859.64/84,769.92 - Step 6: Final answer
x = 67,570.02
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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.