Finding the Fourth Proportional to 84,531.18, 116,651.07 and 48,718.92
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Solution
The fourth proportional to 84,531.18, 116,651.07 and 48,718.92 is: 67,230.98
Step by Step Solution
- Step 1: Write the proportion equation
84,531.18 : 116,651.07 = 48,718.92 : x - Step 2: Convert to fraction form
84,531.18/116,651.07 = 48,718.92/x - Step 3: Cross multiply
84,531.18x = 116,651.07 × 48,718.92 - Step 4: Simplify right side
84,531.18x = 5,683,114,147.24 - Step 5: Solve for x
x = 5,683,114,147.24/84,531.18 - Step 6: Final answer
x = 67,230.98
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1.5x scale
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.