Finding the Fourth Proportional to 95,051.14, 131,203.36 and 54,780.98
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Solution
The fourth proportional to 95,051.14, 131,203.36 and 54,780.98 is: 75,616.65
Step by Step Solution
- Step 1: Write the proportion equation
95,051.14 : 131,203.36 = 54,780.98 : x - Step 2: Convert to fraction form
95,051.14/131,203.36 = 54,780.98/x - Step 3: Cross multiply
95,051.14x = 131,203.36 × 54,780.98 - Step 4: Simplify right side
95,051.14x = 7,187,448,640.09 - Step 5: Solve for x
x = 7,187,448,640.09/95,051.14 - Step 6: Final answer
x = 75,616.65
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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.