Finding the Fourth Proportional to 79,826.88, 119,675.39 and 29,878.99
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Solution
The fourth proportional to 79,826.88, 119,675.39 and 29,878.99 is: 44,794.18
Step by Step Solution
- Step 1: Write the proportion equation
79,826.88 : 119,675.39 = 29,878.99 : x - Step 2: Convert to fraction form
79,826.88/119,675.39 = 29,878.99/x - Step 3: Cross multiply
79,826.88x = 119,675.39 × 29,878.99 - Step 4: Simplify right side
79,826.88x = 3,575,780,173.72 - Step 5: Solve for x
x = 3,575,780,173.72/79,826.88 - Step 6: Final answer
x = 44,794.18
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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.