Finding the Fourth Proportional to 75,376.02, 113,059.17 and 28,627.68
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Solution
The fourth proportional to 75,376.02, 113,059.17 and 28,627.68 is: 42,939.67
Step by Step Solution
- Step 1: Write the proportion equation
75,376.02 : 113,059.17 = 28,627.68 : x - Step 2: Convert to fraction form
75,376.02/113,059.17 = 28,627.68/x - Step 3: Cross multiply
75,376.02x = 113,059.17 × 28,627.68 - Step 4: Simplify right side
75,376.02x = 3,236,621,739.83 - Step 5: Solve for x
x = 3,236,621,739.83/75,376.02 - Step 6: Final answer
x = 42,939.67
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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.