Finding the Fourth Proportional to 84,534.36, 126,783.18 and 25,354.14
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Solution
The fourth proportional to 84,534.36, 126,783.18 and 25,354.14 is: 38,025.70
Step by Step Solution
- Step 1: Write the proportion equation
84,534.36 : 126,783.18 = 25,354.14 : x - Step 2: Convert to fraction form
84,534.36/126,783.18 = 25,354.14/x - Step 3: Cross multiply
84,534.36x = 126,783.18 × 25,354.14 - Step 4: Simplify right side
84,534.36x = 3,214,478,495.37 - Step 5: Solve for x
x = 3,214,478,495.37/84,534.36 - Step 6: Final answer
x = 38,025.70
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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.