Finding the Fourth Proportional to 74,114.46, 102,277.49 and 40,122.70
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Solution
The fourth proportional to 74,114.46, 102,277.49 and 40,122.70 is: 55,369.07
Step by Step Solution
- Step 1: Write the proportion equation
74,114.46 : 102,277.49 = 40,122.70 : x - Step 2: Convert to fraction form
74,114.46/102,277.49 = 40,122.70/x - Step 3: Cross multiply
74,114.46x = 102,277.49 × 40,122.70 - Step 4: Simplify right side
74,114.46x = 4,103,649,048.64 - Step 5: Solve for x
x = 4,103,649,048.64/74,114.46 - Step 6: Final answer
x = 55,369.07
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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.