Finding the Fourth Proportional to 64,694.48, 89,274.96 and 36,402
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Solution
The fourth proportional to 64,694.48, 89,274.96 and 36,402 is: 50,232.83
Step by Step Solution
- Step 1: Write the proportion equation
64,694.48 : 89,274.96 = 36,402 : x - Step 2: Convert to fraction form
64,694.48/89,274.96 = 36,402/x - Step 3: Cross multiply
64,694.48x = 89,274.96 × 36,402 - Step 4: Simplify right side
64,694.48x = 3,249,787,093.92 - Step 5: Solve for x
x = 3,249,787,093.92/64,694.48 - Step 6: Final answer
x = 50,232.83
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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.