Finding the Fourth Proportional to 86,367.18, 129,521.84 and 33,046.76
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Solution
The fourth proportional to 86,367.18, 129,521.84 and 33,046.76 is: 49,559.07
Step by Step Solution
- Step 1: Write the proportion equation
86,367.18 : 129,521.84 = 33,046.76 : x - Step 2: Convert to fraction form
86,367.18/129,521.84 = 33,046.76/x - Step 3: Cross multiply
86,367.18x = 129,521.84 × 33,046.76 - Step 4: Simplify right side
86,367.18x = 4,280,277,161.24 - Step 5: Solve for x
x = 4,280,277,161.24/86,367.18 - Step 6: Final answer
x = 49,559.07
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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.