Finding the Fourth Proportional to 75,213.53, 103,728.41 and 46,528.63
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Solution
The fourth proportional to 75,213.53, 103,728.41 and 46,528.63 is: 64,168.52
Step by Step Solution
- Step 1: Write the proportion equation
75,213.53 : 103,728.41 = 46,528.63 : x - Step 2: Convert to fraction form
75,213.53/103,728.41 = 46,528.63/x - Step 3: Cross multiply
75,213.53x = 103,728.41 × 46,528.63 - Step 4: Simplify right side
75,213.53x = 4,826,340,491.90 - Step 5: Solve for x
x = 4,826,340,491.90/75,213.53 - Step 6: Final answer
x = 64,168.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.