Finding the Fourth Proportional to 99,131.44, 136,791.84 and 58,838.08
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Solution
The fourth proportional to 99,131.44, 136,791.84 and 58,838.08 is: 81,190.88
Step by Step Solution
- Step 1: Write the proportion equation
99,131.44 : 136,791.84 = 58,838.08 : x - Step 2: Convert to fraction form
99,131.44/136,791.84 = 58,838.08/x - Step 3: Cross multiply
99,131.44x = 136,791.84 × 58,838.08 - Step 4: Simplify right side
99,131.44x = 8,048,569,225.27 - Step 5: Solve for x
x = 8,048,569,225.27/99,131.44 - Step 6: Final answer
x = 81,190.88
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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.