Finding the Fourth Proportional to 73,371.36, 101,251.92 and 39,837.60
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Solution
The fourth proportional to 73,371.36, 101,251.92 and 39,837.60 is: 54,975.59
Step by Step Solution
- Step 1: Write the proportion equation
73,371.36 : 101,251.92 = 39,837.60 : x - Step 2: Convert to fraction form
73,371.36/101,251.92 = 39,837.60/x - Step 3: Cross multiply
73,371.36x = 101,251.92 × 39,837.60 - Step 4: Simplify right side
73,371.36x = 4,033,633,488.19 - Step 5: Solve for x
x = 4,033,633,488.19/73,371.36 - Step 6: Final answer
x = 54,975.59
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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.