Finding the Fourth Proportional to 105,727.48, 158,538.74 and 33,670.99
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Solution
The fourth proportional to 105,727.48, 158,538.74 and 33,670.99 is: 50,489.78
Step by Step Solution
- Step 1: Write the proportion equation
105,727.48 : 158,538.74 = 33,670.99 : x - Step 2: Convert to fraction form
105,727.48/158,538.74 = 33,670.99/x - Step 3: Cross multiply
105,727.48x = 158,538.74 × 33,670.99 - Step 4: Simplify right side
105,727.48x = 5,338,156,643.07 - Step 5: Solve for x
x = 5,338,156,643.07/105,727.48 - Step 6: Final answer
x = 50,489.78
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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.