Finding the Fourth Proportional to 89,826.36, 123,963.36 and 48,992.70
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Solution
The fourth proportional to 89,826.36, 123,963.36 and 48,992.70 is: 67,611.55
Step by Step Solution
- Step 1: Write the proportion equation
89,826.36 : 123,963.36 = 48,992.70 : x - Step 2: Convert to fraction form
89,826.36/123,963.36 = 48,992.70/x - Step 3: Cross multiply
89,826.36x = 123,963.36 × 48,992.70 - Step 4: Simplify right side
89,826.36x = 6,073,299,707.47 - Step 5: Solve for x
x = 6,073,299,707.47/89,826.36 - Step 6: Final answer
x = 67,611.55
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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.