Finding the Fourth Proportional to 75,119.18, 112,693.81 and 27,734.56
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Solution
The fourth proportional to 75,119.18, 112,693.81 and 27,734.56 is: 41,607.39
Step by Step Solution
- Step 1: Write the proportion equation
75,119.18 : 112,693.81 = 27,734.56 : x - Step 2: Convert to fraction form
75,119.18/112,693.81 = 27,734.56/x - Step 3: Cross multiply
75,119.18x = 112,693.81 × 27,734.56 - Step 4: Simplify right side
75,119.18x = 3,125,512,532.93 - Step 5: Solve for x
x = 3,125,512,532.93/75,119.18 - Step 6: Final answer
x = 41,607.39
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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.