Finding the Fourth Proportional to 75,429.24, 104,080.78 and 43,591.99
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Solution
The fourth proportional to 75,429.24, 104,080.78 and 43,591.99 is: 60,150.26
Step by Step Solution
- Step 1: Write the proportion equation
75,429.24 : 104,080.78 = 43,591.99 : x - Step 2: Convert to fraction form
75,429.24/104,080.78 = 43,591.99/x - Step 3: Cross multiply
75,429.24x = 104,080.78 × 43,591.99 - Step 4: Simplify right side
75,429.24x = 4,537,088,320.95 - Step 5: Solve for x
x = 4,537,088,320.95/75,429.24 - Step 6: Final answer
x = 60,150.26
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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.