Finding the Fourth Proportional to 75,109.35, 103,676.97 and 46,450.95
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Solution
The fourth proportional to 75,109.35, 103,676.97 and 46,450.95 is: 64,118.43
Step by Step Solution
- Step 1: Write the proportion equation
75,109.35 : 103,676.97 = 46,450.95 : x - Step 2: Convert to fraction form
75,109.35/103,676.97 = 46,450.95/x - Step 3: Cross multiply
75,109.35x = 103,676.97 × 46,450.95 - Step 4: Simplify right side
75,109.35x = 4,815,893,749.62 - Step 5: Solve for x
x = 4,815,893,749.62/75,109.35 - Step 6: Final answer
x = 64,118.43
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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.