Finding the Fourth Proportional to 73,381.26, 101,266.26 and 39,847.26
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Solution
The fourth proportional to 73,381.26, 101,266.26 and 39,847.26 is: 54,989.28
Step by Step Solution
- Step 1: Write the proportion equation
73,381.26 : 101,266.26 = 39,847.26 : x - Step 2: Convert to fraction form
73,381.26/101,266.26 = 39,847.26/x - Step 3: Cross multiply
73,381.26x = 101,266.26 × 39,847.26 - Step 4: Simplify right side
73,381.26x = 4,035,182,991.45 - Step 5: Solve for x
x = 4,035,182,991.45/73,381.26 - Step 6: Final answer
x = 54,989.28
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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.