Finding the Fourth Proportional to 75,354.06, 113,067.84 and 30,994.14
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Solution
The fourth proportional to 75,354.06, 113,067.84 and 30,994.14 is: 46,506.33
Step by Step Solution
- Step 1: Write the proportion equation
75,354.06 : 113,067.84 = 30,994.14 : x - Step 2: Convert to fraction form
75,354.06/113,067.84 = 30,994.14/x - Step 3: Cross multiply
75,354.06x = 113,067.84 × 30,994.14 - Step 4: Simplify right side
75,354.06x = 3,504,440,462.46 - Step 5: Solve for x
x = 3,504,440,462.46/75,354.06 - Step 6: Final answer
x = 46,506.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.