Finding the Fourth Proportional to 73,907.44, 101,992.67 and 40,373.44
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Solution
The fourth proportional to 73,907.44, 101,992.67 and 40,373.44 is: 55,715.56
Step by Step Solution
- Step 1: Write the proportion equation
73,907.44 : 101,992.67 = 40,373.44 : x - Step 2: Convert to fraction form
73,907.44/101,992.67 = 40,373.44/x - Step 3: Cross multiply
73,907.44x = 101,992.67 × 40,373.44 - Step 4: Simplify right side
73,907.44x = 4,117,794,637.24 - Step 5: Solve for x
x = 4,117,794,637.24/73,907.44 - Step 6: Final answer
x = 55,715.56
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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.