Finding the Fourth Proportional to 94,145.36, 129,922.86 and 51,704.81
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Solution
The fourth proportional to 94,145.36, 129,922.86 and 51,704.81 is: 71,353.88
Step by Step Solution
- Step 1: Write the proportion equation
94,145.36 : 129,922.86 = 51,704.81 : x - Step 2: Convert to fraction form
94,145.36/129,922.86 = 51,704.81/x - Step 3: Cross multiply
94,145.36x = 129,922.86 × 51,704.81 - Step 4: Simplify right side
94,145.36x = 6,717,636,790.96 - Step 5: Solve for x
x = 6,717,636,790.96/94,145.36 - Step 6: Final answer
x = 71,353.88
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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.