Finding the Fourth Proportional to 89,496.63, 123,505.80 and 49,212.99
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Solution
The fourth proportional to 89,496.63, 123,505.80 and 49,212.99 is: 67,914.17
Step by Step Solution
- Step 1: Write the proportion equation
89,496.63 : 123,505.80 = 49,212.99 : x - Step 2: Convert to fraction form
89,496.63/123,505.80 = 49,212.99/x - Step 3: Cross multiply
89,496.63x = 123,505.80 × 49,212.99 - Step 4: Simplify right side
89,496.63x = 6,078,089,700.34 - Step 5: Solve for x
x = 6,078,089,700.34/89,496.63 - Step 6: Final answer
x = 67,914.17
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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.