Finding the Fourth Proportional to 77,471.58, 106,906.04 and 43,474.26
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Solution
The fourth proportional to 77,471.58, 106,906.04 and 43,474.26 is: 59,991.82
Step by Step Solution
- Step 1: Write the proportion equation
77,471.58 : 106,906.04 = 43,474.26 : x - Step 2: Convert to fraction form
77,471.58/106,906.04 = 43,474.26/x - Step 3: Cross multiply
77,471.58x = 106,906.04 × 43,474.26 - Step 4: Simplify right side
77,471.58x = 4,647,660,978.53 - Step 5: Solve for x
x = 4,647,660,978.53/77,471.58 - Step 6: Final answer
x = 59,991.82
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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.