Finding the Fourth Proportional to 84,535.22, 116,658.42 and 48,724.99
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Solution
The fourth proportional to 84,535.22, 116,658.42 and 48,724.99 is: 67,240.38
Step by Step Solution
- Step 1: Write the proportion equation
84,535.22 : 116,658.42 = 48,724.99 : x - Step 2: Convert to fraction form
84,535.22/116,658.42 = 48,724.99/x - Step 3: Cross multiply
84,535.22x = 116,658.42 × 48,724.99 - Step 4: Simplify right side
84,535.22x = 5,684,180,347.92 - Step 5: Solve for x
x = 5,684,180,347.92/84,535.22 - Step 6: Final answer
x = 67,240.38
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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.