Finding the Fourth Proportional to 79,961.99, 119,984.49 and 32,611.82
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Solution
The fourth proportional to 79,961.99, 119,984.49 and 32,611.82 is: 48,934.65
Step by Step Solution
- Step 1: Write the proportion equation
79,961.99 : 119,984.49 = 32,611.82 : x - Step 2: Convert to fraction form
79,961.99/119,984.49 = 32,611.82/x - Step 3: Cross multiply
79,961.99x = 119,984.49 × 32,611.82 - Step 4: Simplify right side
79,961.99x = 3,912,911,990.75 - Step 5: Solve for x
x = 3,912,911,990.75/79,961.99 - Step 6: Final answer
x = 48,934.65
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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.