Finding the Fourth Proportional to 79,906.10, 119,827.95 and 29,958.93
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Solution
The fourth proportional to 79,906.10, 119,827.95 and 29,958.93 is: 44,926.70
Step by Step Solution
- Step 1: Write the proportion equation
79,906.10 : 119,827.95 = 29,958.93 : x - Step 2: Convert to fraction form
79,906.10/119,827.95 = 29,958.93/x - Step 3: Cross multiply
79,906.10x = 119,827.95 × 29,958.93 - Step 4: Simplify right side
79,906.10x = 3,589,917,166.09 - Step 5: Solve for x
x = 3,589,917,166.09/79,906.10 - Step 6: Final answer
x = 44,926.70
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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.