Finding the Fourth Proportional to 87,836.18, 131,743.35 and 24,661.26
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Solution
The fourth proportional to 87,836.18, 131,743.35 and 24,661.26 is: 36,988.83
Step by Step Solution
- Step 1: Write the proportion equation
87,836.18 : 131,743.35 = 24,661.26 : x - Step 2: Convert to fraction form
87,836.18/131,743.35 = 24,661.26/x - Step 3: Cross multiply
87,836.18x = 131,743.35 × 24,661.26 - Step 4: Simplify right side
87,836.18x = 3,248,957,007.62 - Step 5: Solve for x
x = 3,248,957,007.62/87,836.18 - Step 6: Final answer
x = 36,988.83
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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.