Finding the Fourth Proportional to 117,744.36, 162,491.49 and 67,453.08
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Solution
The fourth proportional to 117,744.36, 162,491.49 and 67,453.08 is: 93,087.70
Step by Step Solution
- Step 1: Write the proportion equation
117,744.36 : 162,491.49 = 67,453.08 : x - Step 2: Convert to fraction form
117,744.36/162,491.49 = 67,453.08/x - Step 3: Cross multiply
117,744.36x = 162,491.49 × 67,453.08 - Step 4: Simplify right side
117,744.36x = 10,960,551,474.29 - Step 5: Solve for x
x = 10,960,551,474.29/117,744.36 - Step 6: Final answer
x = 93,087.70
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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.