Finding the Fourth Proportional to 80,372.12, 110,912.98 and 44,562.14
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Solution
The fourth proportional to 80,372.12, 110,912.98 and 44,562.14 is: 61,495.45
Step by Step Solution
- Step 1: Write the proportion equation
80,372.12 : 110,912.98 = 44,562.14 : x - Step 2: Convert to fraction form
80,372.12/110,912.98 = 44,562.14/x - Step 3: Cross multiply
80,372.12x = 110,912.98 × 44,562.14 - Step 4: Simplify right side
80,372.12x = 4,942,519,742.58 - Step 5: Solve for x
x = 4,942,519,742.58/80,372.12 - Step 6: Final answer
x = 61,495.45
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1.5x scale
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.