Finding the Fourth Proportional to 84,110.06, 126,052.99 and 39,748.58
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Solution
The fourth proportional to 84,110.06, 126,052.99 and 39,748.58 is: 59,569.89
Step by Step Solution
- Step 1: Write the proportion equation
84,110.06 : 126,052.99 = 39,748.58 : x - Step 2: Convert to fraction form
84,110.06/126,052.99 = 39,748.58/x - Step 3: Cross multiply
84,110.06x = 126,052.99 × 39,748.58 - Step 4: Simplify right side
84,110.06x = 5,010,427,357.25 - Step 5: Solve for x
x = 5,010,427,357.25/84,110.06 - Step 6: Final answer
x = 59,569.89
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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.