Finding the Fourth Proportional to 80,276.92, 110,753.64 and 47,989.08
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Solution
The fourth proportional to 80,276.92, 110,753.64 and 47,989.08 is: 66,207.89
Step by Step Solution
- Step 1: Write the proportion equation
80,276.92 : 110,753.64 = 47,989.08 : x - Step 2: Convert to fraction form
80,276.92/110,753.64 = 47,989.08/x - Step 3: Cross multiply
80,276.92x = 110,753.64 × 47,989.08 - Step 4: Simplify right side
80,276.92x = 5,314,965,290.25 - Step 5: Solve for x
x = 5,314,965,290.25/80,276.92 - Step 6: Final answer
x = 66,207.89
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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.