Finding the Fourth Proportional to 76,701.09, 105,822.14 and 44,847.44
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Solution
The fourth proportional to 76,701.09, 105,822.14 and 44,847.44 is: 61,874.63
Step by Step Solution
- Step 1: Write the proportion equation
76,701.09 : 105,822.14 = 44,847.44 : x - Step 2: Convert to fraction form
76,701.09/105,822.14 = 44,847.44/x - Step 3: Cross multiply
76,701.09x = 105,822.14 × 44,847.44 - Step 4: Simplify right side
76,701.09x = 4,745,851,320.97 - Step 5: Solve for x
x = 4,745,851,320.97/76,701.09 - Step 6: Final answer
x = 61,874.63
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1.5x scale
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.