Finding the Fourth Proportional to 80,093.82, 120,139.11 and 23,934.09
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Solution
The fourth proportional to 80,093.82, 120,139.11 and 23,934.09 is: 35,900.65
Step by Step Solution
- Step 1: Write the proportion equation
80,093.82 : 120,139.11 = 23,934.09 : x - Step 2: Convert to fraction form
80,093.82/120,139.11 = 23,934.09/x - Step 3: Cross multiply
80,093.82x = 120,139.11 × 23,934.09 - Step 4: Simplify right side
80,093.82x = 2,875,420,271.26 - Step 5: Solve for x
x = 2,875,420,271.26/80,093.82 - Step 6: Final answer
x = 35,900.65
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1.5x scale
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.