Finding the Fourth Proportional to 67,209.14, 100,836.39 and 29,764.05
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Solution
The fourth proportional to 67,209.14, 100,836.39 and 29,764.05 is: 44,656.12
Step by Step Solution
- Step 1: Write the proportion equation
67,209.14 : 100,836.39 = 29,764.05 : x - Step 2: Convert to fraction form
67,209.14/100,836.39 = 29,764.05/x - Step 3: Cross multiply
67,209.14x = 100,836.39 × 29,764.05 - Step 4: Simplify right side
67,209.14x = 3,001,299,353.78 - Step 5: Solve for x
x = 3,001,299,353.78/67,209.14 - Step 6: Final answer
x = 44,656.12
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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.