Finding the Fourth Proportional to 84,073.84, 126,129.21 and 24,914.14
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Solution
The fourth proportional to 84,073.84, 126,129.21 and 24,914.14 is: 37,376.68
Step by Step Solution
- Step 1: Write the proportion equation
84,073.84 : 126,129.21 = 24,914.14 : x - Step 2: Convert to fraction form
84,073.84/126,129.21 = 24,914.14/x - Step 3: Cross multiply
84,073.84x = 126,129.21 × 24,914.14 - Step 4: Simplify right side
84,073.84x = 3,142,400,796.03 - Step 5: Solve for x
x = 3,142,400,796.03/84,073.84 - Step 6: Final answer
x = 37,376.68
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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.