Finding the Fourth Proportional to 84,491.75, 116,598.03 and 48,680.99
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Solution
The fourth proportional to 84,491.75, 116,598.03 and 48,680.99 is: 67,179.43
Step by Step Solution
- Step 1: Write the proportion equation
84,491.75 : 116,598.03 = 48,680.99 : x - Step 2: Convert to fraction form
84,491.75/116,598.03 = 48,680.99/x - Step 3: Cross multiply
84,491.75x = 116,598.03 × 48,680.99 - Step 4: Simplify right side
84,491.75x = 5,676,106,949.46 - Step 5: Solve for x
x = 5,676,106,949.46/84,491.75 - Step 6: Final answer
x = 67,179.43
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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.