Finding the Fourth Proportional to 78,765.43, 108,691.97 and 44,769.19
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Solution
The fourth proportional to 78,765.43, 108,691.97 and 44,769.19 is: 61,779.02
Step by Step Solution
- Step 1: Write the proportion equation
78,765.43 : 108,691.97 = 44,769.19 : x - Step 2: Convert to fraction form
78,765.43/108,691.97 = 44,769.19/x - Step 3: Cross multiply
78,765.43x = 108,691.97 × 44,769.19 - Step 4: Simplify right side
78,765.43x = 4,866,051,368.42 - Step 5: Solve for x
x = 4,866,051,368.42/78,765.43 - Step 6: Final answer
x = 61,779.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.