Finding the Fourth Proportional to 75,794.68, 113,691.56 and 19,634.64
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Solution
The fourth proportional to 75,794.68, 113,691.56 and 19,634.64 is: 29,451.84
Step by Step Solution
- Step 1: Write the proportion equation
75,794.68 : 113,691.56 = 19,634.64 : x - Step 2: Convert to fraction form
75,794.68/113,691.56 = 19,634.64/x - Step 3: Cross multiply
75,794.68x = 113,691.56 × 19,634.64 - Step 4: Simplify right side
75,794.68x = 2,232,292,851.64 - Step 5: Solve for x
x = 2,232,292,851.64/75,794.68 - Step 6: Final answer
x = 29,451.84
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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.