Finding the Fourth Proportional to 79,093.05, 109,148.42 and 43,283.08
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Solution
The fourth proportional to 79,093.05, 109,148.42 and 43,283.08 is: 59,730.66
Step by Step Solution
- Step 1: Write the proportion equation
79,093.05 : 109,148.42 = 43,283.08 : x - Step 2: Convert to fraction form
79,093.05/109,148.42 = 43,283.08/x - Step 3: Cross multiply
79,093.05x = 109,148.42 × 43,283.08 - Step 4: Simplify right side
79,093.05x = 4,724,279,794.73 - Step 5: Solve for x
x = 4,724,279,794.73/79,093.05 - Step 6: Final answer
x = 59,730.66
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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.