Finding the Fourth Proportional to 79,920.54, 119,842.56 and 37,765.44
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Solution
The fourth proportional to 79,920.54, 119,842.56 and 37,765.44 is: 56,630.09
Step by Step Solution
- Step 1: Write the proportion equation
79,920.54 : 119,842.56 = 37,765.44 : x - Step 2: Convert to fraction form
79,920.54/119,842.56 = 37,765.44/x - Step 3: Cross multiply
79,920.54x = 119,842.56 × 37,765.44 - Step 4: Simplify right side
79,920.54x = 4,525,907,009.13 - Step 5: Solve for x
x = 4,525,907,009.13/79,920.54 - Step 6: Final answer
x = 56,630.09
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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.