Finding the Fourth Proportional to 86,201.06, 129,302.96 and 27,037.23
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Solution
The fourth proportional to 86,201.06, 129,302.96 and 27,037.23 is: 40,556.28
Step by Step Solution
- Step 1: Write the proportion equation
86,201.06 : 129,302.96 = 27,037.23 : x - Step 2: Convert to fraction form
86,201.06/129,302.96 = 27,037.23/x - Step 3: Cross multiply
86,201.06x = 129,302.96 × 27,037.23 - Step 4: Simplify right side
86,201.06x = 3,495,993,734.01 - Step 5: Solve for x
x = 3,495,993,734.01/86,201.06 - Step 6: Final answer
x = 40,556.28
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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.