Finding the Fourth Proportional to 76,162.41, 105,098.36 and 47,514.08
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Solution
The fourth proportional to 76,162.41, 105,098.36 and 47,514.08 is: 65,565.82
Step by Step Solution
- Step 1: Write the proportion equation
76,162.41 : 105,098.36 = 47,514.08 : x - Step 2: Convert to fraction form
76,162.41/105,098.36 = 47,514.08/x - Step 3: Cross multiply
76,162.41x = 105,098.36 × 47,514.08 - Step 4: Simplify right side
76,162.41x = 4,993,651,121.85 - Step 5: Solve for x
x = 4,993,651,121.85/76,162.41 - Step 6: Final answer
x = 65,565.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.