Finding the Fourth Proportional to 88,194.87, 121,711.18 and 47,910.94
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Solution
The fourth proportional to 88,194.87, 121,711.18 and 47,910.94 is: 66,118.32
Step by Step Solution
- Step 1: Write the proportion equation
88,194.87 : 121,711.18 = 47,910.94 : x - Step 2: Convert to fraction form
88,194.87/121,711.18 = 47,910.94/x - Step 3: Cross multiply
88,194.87x = 121,711.18 × 47,910.94 - Step 4: Simplify right side
88,194.87x = 5,831,296,618.25 - Step 5: Solve for x
x = 5,831,296,618.25/88,194.87 - Step 6: Final answer
x = 66,118.32
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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.