Finding the Fourth Proportional to 77,107.87, 106,431.49 and 44,850.07
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Solution
The fourth proportional to 77,107.87, 106,431.49 and 44,850.07 is: 61,906.26
Step by Step Solution
- Step 1: Write the proportion equation
77,107.87 : 106,431.49 = 44,850.07 : x - Step 2: Convert to fraction form
77,107.87/106,431.49 = 44,850.07/x - Step 3: Cross multiply
77,107.87x = 106,431.49 × 44,850.07 - Step 4: Simplify right side
77,107.87x = 4,773,459,713.52 - Step 5: Solve for x
x = 4,773,459,713.52/77,107.87 - Step 6: Final answer
x = 61,906.26
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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.