Finding the Fourth Proportional to 77,236.23, 106,573.68 and 43,246.14
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Solution
The fourth proportional to 77,236.23, 106,573.68 and 43,246.14 is: 59,672.78
Step by Step Solution
- Step 1: Write the proportion equation
77,236.23 : 106,573.68 = 43,246.14 : x - Step 2: Convert to fraction form
77,236.23/106,573.68 = 43,246.14/x - Step 3: Cross multiply
77,236.23x = 106,573.68 × 43,246.14 - Step 4: Simplify right side
77,236.23x = 4,608,900,285.60 - Step 5: Solve for x
x = 4,608,900,285.60/77,236.23 - Step 6: Final answer
x = 59,672.78
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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.