Finding the Fourth Proportional to 80,243.28, 110,701.44 and 48,394.08
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Solution
The fourth proportional to 80,243.28, 110,701.44 and 48,394.08 is: 66,763.15
Step by Step Solution
- Step 1: Write the proportion equation
80,243.28 : 110,701.44 = 48,394.08 : x - Step 2: Convert to fraction form
80,243.28/110,701.44 = 48,394.08/x - Step 3: Cross multiply
80,243.28x = 110,701.44 × 48,394.08 - Step 4: Simplify right side
80,243.28x = 5,357,294,343.48 - Step 5: Solve for x
x = 5,357,294,343.48/80,243.28 - Step 6: Final answer
x = 66,763.15
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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.