Finding the Fourth Proportional to 76,220.48, 114,306.48 and 71,245.10
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Solution
The fourth proportional to 76,220.48, 114,306.48 and 71,245.10 is: 106,844.99
Step by Step Solution
- Step 1: Write the proportion equation
76,220.48 : 114,306.48 = 71,245.10 : x - Step 2: Convert to fraction form
76,220.48/114,306.48 = 71,245.10/x - Step 3: Cross multiply
76,220.48x = 114,306.48 × 71,245.10 - Step 4: Simplify right side
76,220.48x = 8,143,776,598.25 - Step 5: Solve for x
x = 8,143,776,598.25/76,220.48 - Step 6: Final answer
x = 106,844.99
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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.