Finding the Fourth Proportional to 112,495.44, 168,687.81 and 45,917.70
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Solution
The fourth proportional to 112,495.44, 168,687.81 and 45,917.70 is: 68,853.96
Step by Step Solution
- Step 1: Write the proportion equation
112,495.44 : 168,687.81 = 45,917.70 : x - Step 2: Convert to fraction form
112,495.44/168,687.81 = 45,917.70/x - Step 3: Cross multiply
112,495.44x = 168,687.81 × 45,917.70 - Step 4: Simplify right side
112,495.44x = 7,745,756,253.24 - Step 5: Solve for x
x = 7,745,756,253.24/112,495.44 - Step 6: Final answer
x = 68,853.96
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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.