Finding the Fourth Proportional to 76,297.95, 114,479.73 and 36,884.70
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Solution
The fourth proportional to 76,297.95, 114,479.73 and 36,884.70 is: 55,342.91
Step by Step Solution
- Step 1: Write the proportion equation
76,297.95 : 114,479.73 = 36,884.70 : x - Step 2: Convert to fraction form
76,297.95/114,479.73 = 36,884.70/x - Step 3: Cross multiply
76,297.95x = 114,479.73 × 36,884.70 - Step 4: Simplify right side
76,297.95x = 4,222,550,497.13 - Step 5: Solve for x
x = 4,222,550,497.13/76,297.95 - Step 6: Final answer
x = 55,342.91
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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.