Finding the Fourth Proportional to 84,615.06, 126,906.18 and 32,028.65
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Solution
The fourth proportional to 84,615.06, 126,906.18 and 32,028.65 is: 48,036.76
Step by Step Solution
- Step 1: Write the proportion equation
84,615.06 : 126,906.18 = 32,028.65 : x - Step 2: Convert to fraction form
84,615.06/126,906.18 = 32,028.65/x - Step 3: Cross multiply
84,615.06x = 126,906.18 × 32,028.65 - Step 4: Simplify right side
84,615.06x = 4,064,632,987.53 - Step 5: Solve for x
x = 4,064,632,987.53/84,615.06 - Step 6: Final answer
x = 48,036.76
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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.