Finding the Fourth Proportional to 75,759.44, 104,551.26 and 42,225.44
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Solution
The fourth proportional to 75,759.44, 104,551.26 and 42,225.44 is: 58,272.91
Step by Step Solution
- Step 1: Write the proportion equation
75,759.44 : 104,551.26 = 42,225.44 : x - Step 2: Convert to fraction form
75,759.44/104,551.26 = 42,225.44/x - Step 3: Cross multiply
75,759.44x = 104,551.26 × 42,225.44 - Step 4: Simplify right side
75,759.44x = 4,414,722,956.05 - Step 5: Solve for x
x = 4,414,722,956.05/75,759.44 - Step 6: Final answer
x = 58,272.91
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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.