Finding the Fourth Proportional to 75,240.13, 112,780.62 and 27,824.75
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Solution
The fourth proportional to 75,240.13, 112,780.62 and 27,824.75 is: 41,707.70
Step by Step Solution
- Step 1: Write the proportion equation
75,240.13 : 112,780.62 = 27,824.75 : x - Step 2: Convert to fraction form
75,240.13/112,780.62 = 27,824.75/x - Step 3: Cross multiply
75,240.13x = 112,780.62 × 27,824.75 - Step 4: Simplify right side
75,240.13x = 3,138,092,838.30 - Step 5: Solve for x
x = 3,138,092,838.30/75,240.13 - Step 6: Final answer
x = 41,707.70
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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.