Finding the Fourth Proportional to 94,213.44, 129,996.32 and 53,939.68
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Solution
The fourth proportional to 94,213.44, 129,996.32 and 53,939.68 is: 74,426.32
Step by Step Solution
- Step 1: Write the proportion equation
94,213.44 : 129,996.32 = 53,939.68 : x - Step 2: Convert to fraction form
94,213.44/129,996.32 = 53,939.68/x - Step 3: Cross multiply
94,213.44x = 129,996.32 × 53,939.68 - Step 4: Simplify right side
94,213.44x = 7,011,959,901.98 - Step 5: Solve for x
x = 7,011,959,901.98/94,213.44 - Step 6: Final answer
x = 74,426.32
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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.