Finding the Fourth Proportional to 83,082.87, 124,639.79 and 26,917.97
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Solution
The fourth proportional to 83,082.87, 124,639.79 and 26,917.97 is: 40,381.96
Step by Step Solution
- Step 1: Write the proportion equation
83,082.87 : 124,639.79 = 26,917.97 : x - Step 2: Convert to fraction form
83,082.87/124,639.79 = 26,917.97/x - Step 3: Cross multiply
83,082.87x = 124,639.79 × 26,917.97 - Step 4: Simplify right side
83,082.87x = 3,355,049,370.24 - Step 5: Solve for x
x = 3,355,049,370.24/83,082.87 - Step 6: Final answer
x = 40,381.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.