Finding the Fourth Proportional to 82,389.24, 113,692.68 and 46,577.16
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Solution
The fourth proportional to 82,389.24, 113,692.68 and 46,577.16 is: 64,273.95
Step by Step Solution
- Step 1: Write the proportion equation
82,389.24 : 113,692.68 = 46,577.16 : x - Step 2: Convert to fraction form
82,389.24/113,692.68 = 46,577.16/x - Step 3: Cross multiply
82,389.24x = 113,692.68 × 46,577.16 - Step 4: Simplify right side
82,389.24x = 5,295,482,147.19 - Step 5: Solve for x
x = 5,295,482,147.19/82,389.24 - Step 6: Final answer
x = 64,273.95
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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.