Finding the Fourth Proportional to 68,660.40, 102,904.20 and 60,884.40
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Solution
The fourth proportional to 68,660.40, 102,904.20 and 60,884.40 is: 91,249.99
Step by Step Solution
- Step 1: Write the proportion equation
68,660.40 : 102,904.20 = 60,884.40 : x - Step 2: Convert to fraction form
68,660.40/102,904.20 = 60,884.40/x - Step 3: Cross multiply
68,660.40x = 102,904.20 × 60,884.40 - Step 4: Simplify right side
68,660.40x = 6,265,260,474.48 - Step 5: Solve for x
x = 6,265,260,474.48/68,660.40 - Step 6: Final answer
x = 91,249.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.