Finding the Fourth Proportional to 76,207.26, 114,099.66 and 57,430.44
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Solution
The fourth proportional to 76,207.26, 114,099.66 and 57,430.44 is: 85,986.48
Step by Step Solution
- Step 1: Write the proportion equation
76,207.26 : 114,099.66 = 57,430.44 : x - Step 2: Convert to fraction form
76,207.26/114,099.66 = 57,430.44/x - Step 3: Cross multiply
76,207.26x = 114,099.66 × 57,430.44 - Step 4: Simplify right side
76,207.26x = 6,552,793,677.65 - Step 5: Solve for x
x = 6,552,793,677.65/76,207.26 - Step 6: Final answer
x = 85,986.48
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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.