Finding the Fourth Proportional to 117,889.48, 162,694.74 and 67,604.68
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Solution
The fourth proportional to 117,889.48, 162,694.74 and 67,604.68 is: 93,298.62
Step by Step Solution
- Step 1: Write the proportion equation
117,889.48 : 162,694.74 = 67,604.68 : x - Step 2: Convert to fraction form
117,889.48/162,694.74 = 67,604.68/x - Step 3: Cross multiply
117,889.48x = 162,694.74 × 67,604.68 - Step 4: Simplify right side
117,889.48x = 10,998,925,835.38 - Step 5: Solve for x
x = 10,998,925,835.38/117,889.48 - Step 6: Final answer
x = 93,298.62
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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.