Finding the Fourth Proportional to 79,663.08, 119,568.48 and 40,247.96
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Solution
The fourth proportional to 79,663.08, 119,568.48 and 40,247.96 is: 60,409.26
Step by Step Solution
- Step 1: Write the proportion equation
79,663.08 : 119,568.48 = 40,247.96 : x - Step 2: Convert to fraction form
79,663.08/119,568.48 = 40,247.96/x - Step 3: Cross multiply
79,663.08x = 119,568.48 × 40,247.96 - Step 4: Simplify right side
79,663.08x = 4,812,387,400.30 - Step 5: Solve for x
x = 4,812,387,400.30/79,663.08 - Step 6: Final answer
x = 60,409.26
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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.