Finding the Fourth Proportional to 77,343.24, 106,737.96 and 43,362.66
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Solution
The fourth proportional to 77,343.24, 106,737.96 and 43,362.66 is: 59,842.88
Step by Step Solution
- Step 1: Write the proportion equation
77,343.24 : 106,737.96 = 43,362.66 : x - Step 2: Convert to fraction form
77,343.24/106,737.96 = 43,362.66/x - Step 3: Cross multiply
77,343.24x = 106,737.96 × 43,362.66 - Step 4: Simplify right side
77,343.24x = 4,628,441,868.57 - Step 5: Solve for x
x = 4,628,441,868.57/77,343.24 - Step 6: Final answer
x = 59,842.88
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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.