Finding the Fourth Proportional to 80,241.87, 110,737.58 and 48,410.09
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Solution
The fourth proportional to 80,241.87, 110,737.58 and 48,410.09 is: 66,808.21
Step by Step Solution
- Step 1: Write the proportion equation
80,241.87 : 110,737.58 = 48,410.09 : x - Step 2: Convert to fraction form
80,241.87/110,737.58 = 48,410.09/x - Step 3: Cross multiply
80,241.87x = 110,737.58 × 48,410.09 - Step 4: Simplify right side
80,241.87x = 5,360,815,418.44 - Step 5: Solve for x
x = 5,360,815,418.44/80,241.87 - Step 6: Final answer
x = 66,808.21
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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.