Finding the Fourth Proportional to 68,993.39, 103,500.82 and 22,250.99
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Solution
The fourth proportional to 68,993.39, 103,500.82 and 22,250.99 is: 33,379.95
Step by Step Solution
- Step 1: Write the proportion equation
68,993.39 : 103,500.82 = 22,250.99 : x - Step 2: Convert to fraction form
68,993.39/103,500.82 = 22,250.99/x - Step 3: Cross multiply
68,993.39x = 103,500.82 × 22,250.99 - Step 4: Simplify right side
68,993.39x = 2,302,995,710.81 - Step 5: Solve for x
x = 2,302,995,710.81/68,993.39 - Step 6: Final answer
x = 33,379.95
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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.