Finding the Fourth Proportional to 79,879.79, 110,233.35 and 44,070.09
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Solution
The fourth proportional to 79,879.79, 110,233.35 and 44,070.09 is: 60,816.31
Step by Step Solution
- Step 1: Write the proportion equation
79,879.79 : 110,233.35 = 44,070.09 : x - Step 2: Convert to fraction form
79,879.79/110,233.35 = 44,070.09/x - Step 3: Cross multiply
79,879.79x = 110,233.35 × 44,070.09 - Step 4: Simplify right side
79,879.79x = 4,857,993,655.50 - Step 5: Solve for x
x = 4,857,993,655.50/79,879.79 - Step 6: Final answer
x = 60,816.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.