Finding the Fourth Proportional to 75,240.14, 112,780.62 and 27,824.76
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Solution
The fourth proportional to 75,240.14, 112,780.62 and 27,824.76 is: 41,707.71
Step by Step Solution
- Step 1: Write the proportion equation
75,240.14 : 112,780.62 = 27,824.76 : x - Step 2: Convert to fraction form
75,240.14/112,780.62 = 27,824.76/x - Step 3: Cross multiply
75,240.14x = 112,780.62 × 27,824.76 - Step 4: Simplify right side
75,240.14x = 3,138,093,684.15 - Step 5: Solve for x
x = 3,138,093,684.15/75,240.14 - Step 6: Final answer
x = 41,707.71
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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.