Finding the Fourth Proportional to 94,012.38, 129,737.08 and 51,571.01
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Solution
The fourth proportional to 94,012.38, 129,737.08 and 51,571.01 is: 71,167.99
Step by Step Solution
- Step 1: Write the proportion equation
94,012.38 : 129,737.08 = 51,571.01 : x - Step 2: Convert to fraction form
94,012.38/129,737.08 = 51,571.01/x - Step 3: Cross multiply
94,012.38x = 129,737.08 × 51,571.01 - Step 4: Simplify right side
94,012.38x = 6,690,672,250.05 - Step 5: Solve for x
x = 6,690,672,250.05/94,012.38 - Step 6: Final answer
x = 71,167.99
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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.