Finding the Fourth Proportional to 79,643.24, 119,449.98 and 32,245.80
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Solution
The fourth proportional to 79,643.24, 119,449.98 and 32,245.80 is: 48,362.68
Step by Step Solution
- Step 1: Write the proportion equation
79,643.24 : 119,449.98 = 32,245.80 : x - Step 2: Convert to fraction form
79,643.24/119,449.98 = 32,245.80/x - Step 3: Cross multiply
79,643.24x = 119,449.98 × 32,245.80 - Step 4: Simplify right side
79,643.24x = 3,851,760,165.08 - Step 5: Solve for x
x = 3,851,760,165.08/79,643.24 - Step 6: Final answer
x = 48,362.68
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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.