Finding the Fourth Proportional to 75,093.10, 103,654.38 and 43,274.68
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Solution
The fourth proportional to 75,093.10, 103,654.38 and 43,274.68 is: 59,733.99
Step by Step Solution
- Step 1: Write the proportion equation
75,093.10 : 103,654.38 = 43,274.68 : x - Step 2: Convert to fraction form
75,093.10/103,654.38 = 43,274.68/x - Step 3: Cross multiply
75,093.10x = 103,654.38 × 43,274.68 - Step 4: Simplify right side
75,093.10x = 4,485,610,125.10 - Step 5: Solve for x
x = 4,485,610,125.10/75,093.10 - Step 6: Final answer
x = 59,733.99
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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.