Finding the Fourth Proportional to 86,515.24, 129,772.05 and 27,350.92
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Solution
The fourth proportional to 86,515.24, 129,772.05 and 27,350.92 is: 41,026.12
Step by Step Solution
- Step 1: Write the proportion equation
86,515.24 : 129,772.05 = 27,350.92 : x - Step 2: Convert to fraction form
86,515.24/129,772.05 = 27,350.92/x - Step 3: Cross multiply
86,515.24x = 129,772.05 × 27,350.92 - Step 4: Simplify right side
86,515.24x = 3,549,384,364.39 - Step 5: Solve for x
x = 3,549,384,364.39/86,515.24 - Step 6: Final answer
x = 41,026.12
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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.