Finding the Fourth Proportional to 76,906.26, 115,358.70 and 24,315.78
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Solution
The fourth proportional to 76,906.26, 115,358.70 and 24,315.78 is: 36,473.45
Step by Step Solution
- Step 1: Write the proportion equation
76,906.26 : 115,358.70 = 24,315.78 : x - Step 2: Convert to fraction form
76,906.26/115,358.70 = 24,315.78/x - Step 3: Cross multiply
76,906.26x = 115,358.70 × 24,315.78 - Step 4: Simplify right side
76,906.26x = 2,805,036,770.29 - Step 5: Solve for x
x = 2,805,036,770.29/76,906.26 - Step 6: Final answer
x = 36,473.45
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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.