Finding the Fourth Proportional to 73,370.75, 101,251.65 and 39,836.75
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Solution
The fourth proportional to 73,370.75, 101,251.65 and 39,836.75 is: 54,974.72
Step by Step Solution
- Step 1: Write the proportion equation
73,370.75 : 101,251.65 = 39,836.75 : x - Step 2: Convert to fraction form
73,370.75/101,251.65 = 39,836.75/x - Step 3: Cross multiply
73,370.75x = 101,251.65 × 39,836.75 - Step 4: Simplify right side
73,370.75x = 4,033,536,668.14 - Step 5: Solve for x
x = 4,033,536,668.14/73,370.75 - Step 6: Final answer
x = 54,974.72
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1.5x scale
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.