Finding the Fourth Proportional to 79,901.44, 119,858.88 and 27,314.56
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Solution
The fourth proportional to 79,901.44, 119,858.88 and 27,314.56 is: 40,974.14
Step by Step Solution
- Step 1: Write the proportion equation
79,901.44 : 119,858.88 = 27,314.56 : x - Step 2: Convert to fraction form
79,901.44/119,858.88 = 27,314.56/x - Step 3: Cross multiply
79,901.44x = 119,858.88 × 27,314.56 - Step 4: Simplify right side
79,901.44x = 3,273,892,569.29 - Step 5: Solve for x
x = 3,273,892,569.29/79,901.44 - Step 6: Final answer
x = 40,974.14
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1.5x scale
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.