Finding the Fourth Proportional to 79,685.44, 119,548.71 and 29,765.88
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Solution
The fourth proportional to 79,685.44, 119,548.71 and 29,765.88 is: 44,656.50
Step by Step Solution
- Step 1: Write the proportion equation
79,685.44 : 119,548.71 = 29,765.88 : x - Step 2: Convert to fraction form
79,685.44/119,548.71 = 29,765.88/x - Step 3: Cross multiply
79,685.44x = 119,548.71 × 29,765.88 - Step 4: Simplify right side
79,685.44x = 3,558,472,556.01 - Step 5: Solve for x
x = 3,558,472,556.01/79,685.44 - Step 6: Final answer
x = 44,656.50
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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.