Finding the Fourth Proportional to 75,881.18, 104,716.06 and 41,889.69
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Solution
The fourth proportional to 75,881.18, 104,716.06 and 41,889.69 is: 57,807.79
Step by Step Solution
- Step 1: Write the proportion equation
75,881.18 : 104,716.06 = 41,889.69 : x - Step 2: Convert to fraction form
75,881.18/104,716.06 = 41,889.69/x - Step 3: Cross multiply
75,881.18x = 104,716.06 × 41,889.69 - Step 4: Simplify right side
75,881.18x = 4,386,523,186.70 - Step 5: Solve for x
x = 4,386,523,186.70/75,881.18 - Step 6: Final answer
x = 57,807.79
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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.