Finding the Fourth Proportional to 73,114.75, 100,898.49 and 39,580.75
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Solution
The fourth proportional to 73,114.75, 100,898.49 and 39,580.75 is: 54,621.51
Step by Step Solution
- Step 1: Write the proportion equation
73,114.75 : 100,898.49 = 39,580.75 : x - Step 2: Convert to fraction form
73,114.75/100,898.49 = 39,580.75/x - Step 3: Cross multiply
73,114.75x = 100,898.49 × 39,580.75 - Step 4: Simplify right side
73,114.75x = 3,993,637,908.07 - Step 5: Solve for x
x = 3,993,637,908.07/73,114.75 - Step 6: Final answer
x = 54,621.51
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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.