Finding the Fourth Proportional to 75,757.31, 113,652.38 and 29,010.19
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Solution
The fourth proportional to 75,757.31, 113,652.38 and 29,010.19 is: 43,521.56
Step by Step Solution
- Step 1: Write the proportion equation
75,757.31 : 113,652.38 = 29,010.19 : x - Step 2: Convert to fraction form
75,757.31/113,652.38 = 29,010.19/x - Step 3: Cross multiply
75,757.31x = 113,652.38 × 29,010.19 - Step 4: Simplify right side
75,757.31x = 3,297,076,708.57 - Step 5: Solve for x
x = 3,297,076,708.57/75,757.31 - Step 6: Final answer
x = 43,521.56
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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.