Finding the Fourth Proportional to 87,841.06, 121,189.17 and 50,093.44
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Solution
The fourth proportional to 87,841.06, 121,189.17 and 50,093.44 is: 69,110.99
Step by Step Solution
- Step 1: Write the proportion equation
87,841.06 : 121,189.17 = 50,093.44 : x - Step 2: Convert to fraction form
87,841.06/121,189.17 = 50,093.44/x - Step 3: Cross multiply
87,841.06x = 121,189.17 × 50,093.44 - Step 4: Simplify right side
87,841.06x = 6,070,782,416.04 - Step 5: Solve for x
x = 6,070,782,416.04/87,841.06 - Step 6: Final answer
x = 69,110.99
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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.