Finding the Fourth Proportional to 94,197.26, 129,917.01 and 61,964.99
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Solution
The fourth proportional to 94,197.26, 129,917.01 and 61,964.99 is: 85,462.21
Step by Step Solution
- Step 1: Write the proportion equation
94,197.26 : 129,917.01 = 61,964.99 : x - Step 2: Convert to fraction form
94,197.26/129,917.01 = 61,964.99/x - Step 3: Cross multiply
94,197.26x = 129,917.01 × 61,964.99 - Step 4: Simplify right side
94,197.26x = 8,050,305,575.89 - Step 5: Solve for x
x = 8,050,305,575.89/94,197.26 - Step 6: Final answer
x = 85,462.21
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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.