Finding the Fourth Proportional to 81,795.48, 122,693.42 and 24,869.88
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Solution
The fourth proportional to 81,795.48, 122,693.42 and 24,869.88 is: 37,304.88
Step by Step Solution
- Step 1: Write the proportion equation
81,795.48 : 122,693.42 = 24,869.88 : x - Step 2: Convert to fraction form
81,795.48/122,693.42 = 24,869.88/x - Step 3: Cross multiply
81,795.48x = 122,693.42 × 24,869.88 - Step 4: Simplify right side
81,795.48x = 3,051,370,632.19 - Step 5: Solve for x
x = 3,051,370,632.19/81,795.48 - Step 6: Final answer
x = 37,304.88
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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.