Finding the Fourth Proportional to 94,135.50, 129,906.99 and 51,694.74
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Solution
The fourth proportional to 94,135.50, 129,906.99 and 51,694.74 is: 71,338.74
Step by Step Solution
- Step 1: Write the proportion equation
94,135.50 : 129,906.99 = 51,694.74 : x - Step 2: Convert to fraction form
94,135.50/129,906.99 = 51,694.74/x - Step 3: Cross multiply
94,135.50x = 129,906.99 × 51,694.74 - Step 4: Simplify right side
94,135.50x = 6,715,508,072.23 - Step 5: Solve for x
x = 6,715,508,072.23/94,135.50 - Step 6: Final answer
x = 71,338.74
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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.