Finding the Fourth Proportional to 81,762.73, 122,537.99 and 36,750.83
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Solution
The fourth proportional to 81,762.73, 122,537.99 and 36,750.83 is: 55,078.55
Step by Step Solution
- Step 1: Write the proportion equation
81,762.73 : 122,537.99 = 36,750.83 : x - Step 2: Convert to fraction form
81,762.73/122,537.99 = 36,750.83/x - Step 3: Cross multiply
81,762.73x = 122,537.99 × 36,750.83 - Step 4: Simplify right side
81,762.73x = 4,503,372,318.22 - Step 5: Solve for x
x = 4,503,372,318.22/81,762.73 - Step 6: Final answer
x = 55,078.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.