Finding the Fourth Proportional to 98,077.44, 135,345.60 and 53,365.44
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Solution
The fourth proportional to 98,077.44, 135,345.60 and 53,365.44 is: 73,643.62
Step by Step Solution
- Step 1: Write the proportion equation
98,077.44 : 135,345.60 = 53,365.44 : x - Step 2: Convert to fraction form
98,077.44/135,345.60 = 53,365.44/x - Step 3: Cross multiply
98,077.44x = 135,345.60 × 53,365.44 - Step 4: Simplify right side
98,077.44x = 7,222,777,496.06 - Step 5: Solve for x
x = 7,222,777,496.06/98,077.44 - Step 6: Final answer
x = 73,643.62
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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.