Finding the Fourth Proportional to 75,134.24, 103,678.80 and 41,591.84
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Solution
The fourth proportional to 75,134.24, 103,678.80 and 41,591.84 is: 57,393.17
Step by Step Solution
- Step 1: Write the proportion equation
75,134.24 : 103,678.80 = 41,591.84 : x - Step 2: Convert to fraction form
75,134.24/103,678.80 = 41,591.84/x - Step 3: Cross multiply
75,134.24x = 103,678.80 × 41,591.84 - Step 4: Simplify right side
75,134.24x = 4,312,192,060.99 - Step 5: Solve for x
x = 4,312,192,060.99/75,134.24 - Step 6: Final answer
x = 57,393.17
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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.