Finding the Fourth Proportional to 76,455.73, 114,683.68 and 29,059.70
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Solution
The fourth proportional to 76,455.73, 114,683.68 and 29,059.70 is: 43,589.57
Step by Step Solution
- Step 1: Write the proportion equation
76,455.73 : 114,683.68 = 29,059.70 : x - Step 2: Convert to fraction form
76,455.73/114,683.68 = 29,059.70/x - Step 3: Cross multiply
76,455.73x = 114,683.68 × 29,059.70 - Step 4: Simplify right side
76,455.73x = 3,332,672,798.60 - Step 5: Solve for x
x = 3,332,672,798.60/76,455.73 - Step 6: Final answer
x = 43,589.57
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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.