Finding the Fourth Proportional to 79,643.10, 119,483.11 and 27,052.62
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Solution
The fourth proportional to 79,643.10, 119,483.11 and 27,052.62 is: 40,585.20
Step by Step Solution
- Step 1: Write the proportion equation
79,643.10 : 119,483.11 = 27,052.62 : x - Step 2: Convert to fraction form
79,643.10/119,483.11 = 27,052.62/x - Step 3: Cross multiply
79,643.10x = 119,483.11 × 27,052.62 - Step 4: Simplify right side
79,643.10x = 3,232,331,171.25 - Step 5: Solve for x
x = 3,232,331,171.25/79,643.10 - Step 6: Final answer
x = 40,585.20
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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.