Finding the Fourth Proportional to 73,007.69, 100,750.97 and 40,743.75
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Solution
The fourth proportional to 73,007.69, 100,750.97 and 40,743.75 is: 56,226.58
Step by Step Solution
- Step 1: Write the proportion equation
73,007.69 : 100,750.97 = 40,743.75 : x - Step 2: Convert to fraction form
73,007.69/100,750.97 = 40,743.75/x - Step 3: Cross multiply
73,007.69x = 100,750.97 × 40,743.75 - Step 4: Simplify right side
73,007.69x = 4,104,972,130.22 - Step 5: Solve for x
x = 4,104,972,130.22/73,007.69 - Step 6: Final answer
x = 56,226.58
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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.