Finding the Fourth Proportional to 94,137.21, 129,876.87 and 60,165.58
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Solution
The fourth proportional to 94,137.21, 129,876.87 and 60,165.58 is: 83,007.74
Step by Step Solution
- Step 1: Write the proportion equation
94,137.21 : 129,876.87 = 60,165.58 : x - Step 2: Convert to fraction form
94,137.21/129,876.87 = 60,165.58/x - Step 3: Cross multiply
94,137.21x = 129,876.87 × 60,165.58 - Step 4: Simplify right side
94,137.21x = 7,814,117,212.13 - Step 5: Solve for x
x = 7,814,117,212.13/94,137.21 - Step 6: Final answer
x = 83,007.74
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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.