Finding the Fourth Proportional to 80,078.19, 110,518.88 and 46,085.99
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Solution
The fourth proportional to 80,078.19, 110,518.88 and 46,085.99 is: 63,604.97
Step by Step Solution
- Step 1: Write the proportion equation
80,078.19 : 110,518.88 = 46,085.99 : x - Step 2: Convert to fraction form
80,078.19/110,518.88 = 46,085.99/x - Step 3: Cross multiply
80,078.19x = 110,518.88 × 46,085.99 - Step 4: Simplify right side
80,078.19x = 5,093,371,215.47 - Step 5: Solve for x
x = 5,093,371,215.47/80,078.19 - Step 6: Final answer
x = 63,604.97
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1.5x scale
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.