Finding the Fourth Proportional to 74,796.66, 103,009.42 and 73,163.70
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Solution
The fourth proportional to 74,796.66, 103,009.42 and 73,163.70 is: 100,760.52
Step by Step Solution
- Step 1: Write the proportion equation
74,796.66 : 103,009.42 = 73,163.70 : x - Step 2: Convert to fraction form
74,796.66/103,009.42 = 73,163.70/x - Step 3: Cross multiply
74,796.66x = 103,009.42 × 73,163.70 - Step 4: Simplify right side
74,796.66x = 7,536,550,302.05 - Step 5: Solve for x
x = 7,536,550,302.05/74,796.66 - Step 6: Final answer
x = 100,760.52
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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.