Finding the Fourth Proportional to 73,488.75, 101,415.30 and 39,954.75
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Solution
The fourth proportional to 73,488.75, 101,415.30 and 39,954.75 is: 55,138.00
Step by Step Solution
- Step 1: Write the proportion equation
73,488.75 : 101,415.30 = 39,954.75 : x - Step 2: Convert to fraction form
73,488.75/101,415.30 = 39,954.75/x - Step 3: Cross multiply
73,488.75x = 101,415.30 × 39,954.75 - Step 4: Simplify right side
73,488.75x = 4,052,022,957.68 - Step 5: Solve for x
x = 4,052,022,957.68/73,488.75 - Step 6: Final answer
x = 55,138.00
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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.