Finding the Fourth Proportional to 94,022.91, 129,678.30 and 58,232.79
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Solution
The fourth proportional to 94,022.91, 129,678.30 and 58,232.79 is: 80,315.84
Step by Step Solution
- Step 1: Write the proportion equation
94,022.91 : 129,678.30 = 58,232.79 : x - Step 2: Convert to fraction form
94,022.91/129,678.30 = 58,232.79/x - Step 3: Cross multiply
94,022.91x = 129,678.30 × 58,232.79 - Step 4: Simplify right side
94,022.91x = 7,551,529,211.46 - Step 5: Solve for x
x = 7,551,529,211.46/94,022.91 - Step 6: Final answer
x = 80,315.84
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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.