Finding the Fourth Proportional to 79,863.72, 119,806.38 and 27,259.08
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Solution
The fourth proportional to 79,863.72, 119,806.38 and 27,259.08 is: 40,892.31
Step by Step Solution
- Step 1: Write the proportion equation
79,863.72 : 119,806.38 = 27,259.08 : x - Step 2: Convert to fraction form
79,863.72/119,806.38 = 27,259.08/x - Step 3: Cross multiply
79,863.72x = 119,806.38 × 27,259.08 - Step 4: Simplify right side
79,863.72x = 3,265,811,696.93 - Step 5: Solve for x
x = 3,265,811,696.93/79,863.72 - Step 6: Final answer
x = 40,892.31
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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.