Finding the Fourth Proportional to 106,849.53, 147,519.53 and 68,624.49
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Solution
The fourth proportional to 106,849.53, 147,519.53 and 68,624.49 is: 94,744.94
Step by Step Solution
- Step 1: Write the proportion equation
106,849.53 : 147,519.53 = 68,624.49 : x - Step 2: Convert to fraction form
106,849.53/147,519.53 = 68,624.49/x - Step 3: Cross multiply
106,849.53x = 147,519.53 × 68,624.49 - Step 4: Simplify right side
106,849.53x = 10,123,452,563.81 - Step 5: Solve for x
x = 10,123,452,563.81/106,849.53 - Step 6: Final answer
x = 94,744.94
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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.