Finding the Fourth Proportional to 77,176.41, 115,764.93 and 27,250.80
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Solution
The fourth proportional to 77,176.41, 115,764.93 and 27,250.80 is: 40,876.31
Step by Step Solution
- Step 1: Write the proportion equation
77,176.41 : 115,764.93 = 27,250.80 : x - Step 2: Convert to fraction form
77,176.41/115,764.93 = 27,250.80/x - Step 3: Cross multiply
77,176.41x = 115,764.93 × 27,250.80 - Step 4: Simplify right side
77,176.41x = 3,154,686,954.44 - Step 5: Solve for x
x = 3,154,686,954.44/77,176.41 - Step 6: Final answer
x = 40,876.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.