Finding the Fourth Proportional to 79,668.13, 109,941.42 and 43,858.75
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Solution
The fourth proportional to 79,668.13, 109,941.42 and 43,858.75 is: 60,524.75
Step by Step Solution
- Step 1: Write the proportion equation
79,668.13 : 109,941.42 = 43,858.75 : x - Step 2: Convert to fraction form
79,668.13/109,941.42 = 43,858.75/x - Step 3: Cross multiply
79,668.13x = 109,941.42 × 43,858.75 - Step 4: Simplify right side
79,668.13x = 4,821,893,254.43 - Step 5: Solve for x
x = 4,821,893,254.43/79,668.13 - Step 6: Final answer
x = 60,524.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.