Finding the Fourth Proportional to 79,761.97, 119,530.07 and 44,238.92
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Solution
The fourth proportional to 79,761.97, 119,530.07 and 44,238.92 is: 66,295.77
Step by Step Solution
- Step 1: Write the proportion equation
79,761.97 : 119,530.07 = 44,238.92 : x - Step 2: Convert to fraction form
79,761.97/119,530.07 = 44,238.92/x - Step 3: Cross multiply
79,761.97x = 119,530.07 × 44,238.92 - Step 4: Simplify right side
79,761.97x = 5,287,880,983.13 - Step 5: Solve for x
x = 5,287,880,983.13/79,761.97 - Step 6: Final answer
x = 66,295.77
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1.5x scale
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.