Finding the Fourth Proportional to 75,839.04, 104,636.88 and 48,982.68
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Solution
The fourth proportional to 75,839.04, 104,636.88 and 48,982.68 is: 67,582.54
Step by Step Solution
- Step 1: Write the proportion equation
75,839.04 : 104,636.88 = 48,982.68 : x - Step 2: Convert to fraction form
75,839.04/104,636.88 = 48,982.68/x - Step 3: Cross multiply
75,839.04x = 104,636.88 × 48,982.68 - Step 4: Simplify right side
75,839.04x = 5,125,394,809.24 - Step 5: Solve for x
x = 5,125,394,809.24/75,839.04 - Step 6: Final answer
x = 67,582.54
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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.