Finding the Fourth Proportional to 84,412.92, 116,504.18 and 48,623.68
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Solution
The fourth proportional to 84,412.92, 116,504.18 and 48,623.68 is: 67,108.94
Step by Step Solution
- Step 1: Write the proportion equation
84,412.92 : 116,504.18 = 48,623.68 : x - Step 2: Convert to fraction form
84,412.92/116,504.18 = 48,623.68/x - Step 3: Cross multiply
84,412.92x = 116,504.18 × 48,623.68 - Step 4: Simplify right side
84,412.92x = 5,664,861,966.98 - Step 5: Solve for x
x = 5,664,861,966.98/84,412.92 - Step 6: Final answer
x = 67,108.94
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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.