Finding the Fourth Proportional to 73,728.12, 101,740.14 and 48,611.64
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Solution
The fourth proportional to 73,728.12, 101,740.14 and 48,611.64 is: 67,080.99
Step by Step Solution
- Step 1: Write the proportion equation
73,728.12 : 101,740.14 = 48,611.64 : x - Step 2: Convert to fraction form
73,728.12/101,740.14 = 48,611.64/x - Step 3: Cross multiply
73,728.12x = 101,740.14 × 48,611.64 - Step 4: Simplify right side
73,728.12x = 4,945,755,059.23 - Step 5: Solve for x
x = 4,945,755,059.23/73,728.12 - Step 6: Final answer
x = 67,080.99
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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.