Finding the Fourth Proportional to 79,716.15, 119,352.79 and 40,153.32
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Solution
The fourth proportional to 79,716.15, 119,352.79 and 40,153.32 is: 60,118.44
Step by Step Solution
- Step 1: Write the proportion equation
79,716.15 : 119,352.79 = 40,153.32 : x - Step 2: Convert to fraction form
79,716.15/119,352.79 = 40,153.32/x - Step 3: Cross multiply
79,716.15x = 119,352.79 × 40,153.32 - Step 4: Simplify right side
79,716.15x = 4,792,410,819.95 - Step 5: Solve for x
x = 4,792,410,819.95/79,716.15 - Step 6: Final answer
x = 60,118.44
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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.