Finding the Fourth Proportional to 76,609.09, 114,816.30 and 34,444.14
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Solution
The fourth proportional to 76,609.09, 114,816.30 and 34,444.14 is: 51,622.45
Step by Step Solution
- Step 1: Write the proportion equation
76,609.09 : 114,816.30 = 34,444.14 : x - Step 2: Convert to fraction form
76,609.09/114,816.30 = 34,444.14/x - Step 3: Cross multiply
76,609.09x = 114,816.30 × 34,444.14 - Step 4: Simplify right side
76,609.09x = 3,954,748,711.48 - Step 5: Solve for x
x = 3,954,748,711.48/76,609.09 - Step 6: Final answer
x = 51,622.45
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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.