Finding the Fourth Proportional to 99,074.19, 148,603.28 and 27,993.96
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Solution
The fourth proportional to 99,074.19, 148,603.28 and 27,993.96 is: 41,988.68
Step by Step Solution
- Step 1: Write the proportion equation
99,074.19 : 148,603.28 = 27,993.96 : x - Step 2: Convert to fraction form
99,074.19/148,603.28 = 27,993.96/x - Step 3: Cross multiply
99,074.19x = 148,603.28 × 27,993.96 - Step 4: Simplify right side
99,074.19x = 4,159,994,136.22 - Step 5: Solve for x
x = 4,159,994,136.22/99,074.19 - Step 6: Final answer
x = 41,988.68
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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.