Finding the Fourth Proportional to 79,906.77, 119,873.16 and 29,990.79
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Solution
The fourth proportional to 79,906.77, 119,873.16 and 29,990.79 is: 44,991.07
Step by Step Solution
- Step 1: Write the proportion equation
79,906.77 : 119,873.16 = 29,990.79 : x - Step 2: Convert to fraction form
79,906.77/119,873.16 = 29,990.79/x - Step 3: Cross multiply
79,906.77x = 119,873.16 × 29,990.79 - Step 4: Simplify right side
79,906.77x = 3,595,090,768.20 - Step 5: Solve for x
x = 3,595,090,768.20/79,906.77 - Step 6: Final answer
x = 44,991.07
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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.