Finding the Fourth Proportional to 73,566.21, 110,350.34 and 20,975.70
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Solution
The fourth proportional to 73,566.21, 110,350.34 and 20,975.70 is: 31,463.84
Step by Step Solution
- Step 1: Write the proportion equation
73,566.21 : 110,350.34 = 20,975.70 : x - Step 2: Convert to fraction form
73,566.21/110,350.34 = 20,975.70/x - Step 3: Cross multiply
73,566.21x = 110,350.34 × 20,975.70 - Step 4: Simplify right side
73,566.21x = 2,314,675,679.18 - Step 5: Solve for x
x = 2,314,675,679.18/73,566.21 - Step 6: Final answer
x = 31,463.84
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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.