Finding the Fourth Proportional to 87,842.68, 121,096.92 and 62,648.44
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Solution
The fourth proportional to 87,842.68, 121,096.92 and 62,648.44 is: 86,365.00
Step by Step Solution
- Step 1: Write the proportion equation
87,842.68 : 121,096.92 = 62,648.44 : x - Step 2: Convert to fraction form
87,842.68/121,096.92 = 62,648.44/x - Step 3: Cross multiply
87,842.68x = 121,096.92 × 62,648.44 - Step 4: Simplify right side
87,842.68x = 7,586,533,058.99 - Step 5: Solve for x
x = 7,586,533,058.99/87,842.68 - Step 6: Final answer
x = 86,365.00
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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.