Finding the Fourth Proportional to 75,747.30, 113,455.71 and 62,450.34
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Solution
The fourth proportional to 75,747.30, 113,455.71 and 62,450.34 is: 93,539.28
Step by Step Solution
- Step 1: Write the proportion equation
75,747.30 : 113,455.71 = 62,450.34 : x - Step 2: Convert to fraction form
75,747.30/113,455.71 = 62,450.34/x - Step 3: Cross multiply
75,747.30x = 113,455.71 × 62,450.34 - Step 4: Simplify right side
75,747.30x = 7,085,347,664.44 - Step 5: Solve for x
x = 7,085,347,664.44/75,747.30 - Step 6: Final answer
x = 93,539.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.