Finding the Fourth Proportional to 77,226.26, 106,566.34 and 43,226.96
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Solution
The fourth proportional to 77,226.26, 106,566.34 and 43,226.96 is: 59,649.90
Step by Step Solution
- Step 1: Write the proportion equation
77,226.26 : 106,566.34 = 43,226.96 : x - Step 2: Convert to fraction form
77,226.26/106,566.34 = 43,226.96/x - Step 3: Cross multiply
77,226.26x = 106,566.34 × 43,226.96 - Step 4: Simplify right side
77,226.26x = 4,606,538,916.53 - Step 5: Solve for x
x = 4,606,538,916.53/77,226.26 - Step 6: Final answer
x = 59,649.90
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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.