Finding the Fourth Proportional to 84,534.99, 116,629.97 and 48,724.23
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Solution
The fourth proportional to 84,534.99, 116,629.97 and 48,724.23 is: 67,223.11
Step by Step Solution
- Step 1: Write the proportion equation
84,534.99 : 116,629.97 = 48,724.23 : x - Step 2: Convert to fraction form
84,534.99/116,629.97 = 48,724.23/x - Step 3: Cross multiply
84,534.99x = 116,629.97 × 48,724.23 - Step 4: Simplify right side
84,534.99x = 5,682,705,239.55 - Step 5: Solve for x
x = 5,682,705,239.55/84,534.99 - Step 6: Final answer
x = 67,223.11
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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.