Finding the Fourth Proportional to 84,538.44, 126,809.99 and 25,374.12
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Solution
The fourth proportional to 84,538.44, 126,809.99 and 25,374.12 is: 38,061.88
Step by Step Solution
- Step 1: Write the proportion equation
84,538.44 : 126,809.99 = 25,374.12 : x - Step 2: Convert to fraction form
84,538.44/126,809.99 = 25,374.12/x - Step 3: Cross multiply
84,538.44x = 126,809.99 × 25,374.12 - Step 4: Simplify right side
84,538.44x = 3,217,691,776.59 - Step 5: Solve for x
x = 3,217,691,776.59/84,538.44 - Step 6: Final answer
x = 38,061.88
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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.