Finding the Fourth Proportional to 69,463.28, 104,214.36 and 27,939.44
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Solution
The fourth proportional to 69,463.28, 104,214.36 and 27,939.44 is: 41,916.98
Step by Step Solution
- Step 1: Write the proportion equation
69,463.28 : 104,214.36 = 27,939.44 : x - Step 2: Convert to fraction form
69,463.28/104,214.36 = 27,939.44/x - Step 3: Cross multiply
69,463.28x = 104,214.36 × 27,939.44 - Step 4: Simplify right side
69,463.28x = 2,911,690,858.36 - Step 5: Solve for x
x = 2,911,690,858.36/69,463.28 - Step 6: Final answer
x = 41,916.98
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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.