Finding the Fourth Proportional to 75,491.28, 113,267.96 and 33,349.12
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Solution
The fourth proportional to 75,491.28, 113,267.96 and 33,349.12 is: 50,037.39
Step by Step Solution
- Step 1: Write the proportion equation
75,491.28 : 113,267.96 = 33,349.12 : x - Step 2: Convert to fraction form
75,491.28/113,267.96 = 33,349.12/x - Step 3: Cross multiply
75,491.28x = 113,267.96 × 33,349.12 - Step 4: Simplify right side
75,491.28x = 3,777,386,790.20 - Step 5: Solve for x
x = 3,777,386,790.20/75,491.28 - Step 6: Final answer
x = 50,037.39
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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.