Finding the Fourth Proportional to 73,265.75, 109,907.44 and 25,871.09
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Solution
The fourth proportional to 73,265.75, 109,907.44 and 25,871.09 is: 38,809.75
Step by Step Solution
- Step 1: Write the proportion equation
73,265.75 : 109,907.44 = 25,871.09 : x - Step 2: Convert to fraction form
73,265.75/109,907.44 = 25,871.09/x - Step 3: Cross multiply
73,265.75x = 109,907.44 × 25,871.09 - Step 4: Simplify right side
73,265.75x = 2,843,425,271.91 - Step 5: Solve for x
x = 2,843,425,271.91/73,265.75 - Step 6: Final answer
x = 38,809.75
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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.