Finding the Fourth Proportional to 107,955.05, 161,937.43 and 33,069.74
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Solution
The fourth proportional to 107,955.05, 161,937.43 and 33,069.74 is: 49,606.09
Step by Step Solution
- Step 1: Write the proportion equation
107,955.05 : 161,937.43 = 33,069.74 : x - Step 2: Convert to fraction form
107,955.05/161,937.43 = 33,069.74/x - Step 3: Cross multiply
107,955.05x = 161,937.43 × 33,069.74 - Step 4: Simplify right side
107,955.05x = 5,355,227,814.01 - Step 5: Solve for x
x = 5,355,227,814.01/107,955.05 - Step 6: Final answer
x = 49,606.09
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1.5x scale
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.