Finding the Fourth Proportional to 75,205.43, 103,756.03 and 44,991.62
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Solution
The fourth proportional to 75,205.43, 103,756.03 and 44,991.62 is: 62,072.00
Step by Step Solution
- Step 1: Write the proportion equation
75,205.43 : 103,756.03 = 44,991.62 : x - Step 2: Convert to fraction form
75,205.43/103,756.03 = 44,991.62/x - Step 3: Cross multiply
75,205.43x = 103,756.03 × 44,991.62 - Step 4: Simplify right side
75,205.43x = 4,668,151,243.21 - Step 5: Solve for x
x = 4,668,151,243.21/75,205.43 - Step 6: Final answer
x = 62,072.00
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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.