Finding the Fourth Proportional to 73,914.09, 102,001.41 and 40,380.09
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Solution
The fourth proportional to 73,914.09, 102,001.41 and 40,380.09 is: 55,724.51
Step by Step Solution
- Step 1: Write the proportion equation
73,914.09 : 102,001.41 = 40,380.09 : x - Step 2: Convert to fraction form
73,914.09/102,001.41 = 40,380.09/x - Step 3: Cross multiply
73,914.09x = 102,001.41 × 40,380.09 - Step 4: Simplify right side
73,914.09x = 4,118,826,115.93 - Step 5: Solve for x
x = 4,118,826,115.93/73,914.09 - Step 6: Final answer
x = 55,724.51
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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.