Finding the Fourth Proportional to 84,240.97, 116,239.32 and 48,424.29
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Solution
The fourth proportional to 84,240.97, 116,239.32 and 48,424.29 is: 66,817.92
Step by Step Solution
- Step 1: Write the proportion equation
84,240.97 : 116,239.32 = 48,424.29 : x - Step 2: Convert to fraction form
84,240.97/116,239.32 = 48,424.29/x - Step 3: Cross multiply
84,240.97x = 116,239.32 × 48,424.29 - Step 4: Simplify right side
84,240.97x = 5,628,806,432.08 - Step 5: Solve for x
x = 5,628,806,432.08/84,240.97 - Step 6: Final answer
x = 66,817.92
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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.