Finding the Fourth Proportional to 75,829.66, 113,734.56 and 22,520.55
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Solution
The fourth proportional to 75,829.66, 113,734.56 and 22,520.55 is: 33,777.88
Step by Step Solution
- Step 1: Write the proportion equation
75,829.66 : 113,734.56 = 22,520.55 : x - Step 2: Convert to fraction form
75,829.66/113,734.56 = 22,520.55/x - Step 3: Cross multiply
75,829.66x = 113,734.56 × 22,520.55 - Step 4: Simplify right side
75,829.66x = 2,561,364,845.21 - Step 5: Solve for x
x = 2,561,364,845.21/75,829.66 - Step 6: Final answer
x = 33,777.88
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1.5x scale
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.