Finding the Fourth Proportional to 94,161.67, 129,942.55 and 51,140.68
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Solution
The fourth proportional to 94,161.67, 129,942.55 and 51,140.68 is: 70,573.84
Step by Step Solution
- Step 1: Write the proportion equation
94,161.67 : 129,942.55 = 51,140.68 : x - Step 2: Convert to fraction form
94,161.67/129,942.55 = 51,140.68/x - Step 3: Cross multiply
94,161.67x = 129,942.55 × 51,140.68 - Step 4: Simplify right side
94,161.67x = 6,645,350,367.93 - Step 5: Solve for x
x = 6,645,350,367.93/94,161.67 - Step 6: Final answer
x = 70,573.84
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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.