Finding the Fourth Proportional to 79,724.92, 119,528.82 and 38,201.08
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Solution
The fourth proportional to 79,724.92, 119,528.82 and 38,201.08 is: 57,273.56
Step by Step Solution
- Step 1: Write the proportion equation
79,724.92 : 119,528.82 = 38,201.08 : x - Step 2: Convert to fraction form
79,724.92/119,528.82 = 38,201.08/x - Step 3: Cross multiply
79,724.92x = 119,528.82 × 38,201.08 - Step 4: Simplify right side
79,724.92x = 4,566,130,015.13 - Step 5: Solve for x
x = 4,566,130,015.13/79,724.92 - Step 6: Final answer
x = 57,273.56
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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.