Finding the Fourth Proportional to 86,067.11, 129,047.81 and 29,883.08
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Solution
The fourth proportional to 86,067.11, 129,047.81 and 29,883.08 is: 44,806.27
Step by Step Solution
- Step 1: Write the proportion equation
86,067.11 : 129,047.81 = 29,883.08 : x - Step 2: Convert to fraction form
86,067.11/129,047.81 = 29,883.08/x - Step 3: Cross multiply
86,067.11x = 129,047.81 × 29,883.08 - Step 4: Simplify right side
86,067.11x = 3,856,346,030.05 - Step 5: Solve for x
x = 3,856,346,030.05/86,067.11 - Step 6: Final answer
x = 44,806.27
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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.