Finding the Fourth Proportional to 77,739.72, 116,619.08 and 27,825.08
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Solution
The fourth proportional to 77,739.72, 116,619.08 and 27,825.08 is: 41,741.02
Step by Step Solution
- Step 1: Write the proportion equation
77,739.72 : 116,619.08 = 27,825.08 : x - Step 2: Convert to fraction form
77,739.72/116,619.08 = 27,825.08/x - Step 3: Cross multiply
77,739.72x = 116,619.08 × 27,825.08 - Step 4: Simplify right side
77,739.72x = 3,244,935,230.53 - Step 5: Solve for x
x = 3,244,935,230.53/77,739.72 - Step 6: Final answer
x = 41,741.02
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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.