Finding the Fourth Proportional to 77,676.26, 107,197.14 and 43,695.44
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Solution
The fourth proportional to 77,676.26, 107,197.14 and 43,695.44 is: 60,301.90
Step by Step Solution
- Step 1: Write the proportion equation
77,676.26 : 107,197.14 = 43,695.44 : x - Step 2: Convert to fraction form
77,676.26/107,197.14 = 43,695.44/x - Step 3: Cross multiply
77,676.26x = 107,197.14 × 43,695.44 - Step 4: Simplify right side
77,676.26x = 4,684,026,199.04 - Step 5: Solve for x
x = 4,684,026,199.04/77,676.26 - Step 6: Final answer
x = 60,301.90
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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.