Finding the Fourth Proportional to 75,770.09, 104,537.33 and 48,930.74
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Solution
The fourth proportional to 75,770.09, 104,537.33 and 48,930.74 is: 67,508.02
Step by Step Solution
- Step 1: Write the proportion equation
75,770.09 : 104,537.33 = 48,930.74 : x - Step 2: Convert to fraction form
75,770.09/104,537.33 = 48,930.74/x - Step 3: Cross multiply
75,770.09x = 104,537.33 × 48,930.74 - Step 4: Simplify right side
75,770.09x = 5,115,088,914.52 - Step 5: Solve for x
x = 5,115,088,914.52/75,770.09 - Step 6: Final answer
x = 67,508.02
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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.