Finding the Fourth Proportional to 77,195.70, 115,792.20 and 24,604.74
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Solution
The fourth proportional to 77,195.70, 115,792.20 and 24,604.74 is: 36,906.68
Step by Step Solution
- Step 1: Write the proportion equation
77,195.70 : 115,792.20 = 24,604.74 : x - Step 2: Convert to fraction form
77,195.70/115,792.20 = 24,604.74/x - Step 3: Cross multiply
77,195.70x = 115,792.20 × 24,604.74 - Step 4: Simplify right side
77,195.70x = 2,849,036,975.03 - Step 5: Solve for x
x = 2,849,036,975.03/77,195.70 - Step 6: Final answer
x = 36,906.68
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1.5x scale
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.