Finding the Fourth Proportional to 98,561.63, 147,809.14 and 31,093.09
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Solution
The fourth proportional to 98,561.63, 147,809.14 and 31,093.09 is: 46,629.12
Step by Step Solution
- Step 1: Write the proportion equation
98,561.63 : 147,809.14 = 31,093.09 : x - Step 2: Convert to fraction form
98,561.63/147,809.14 = 31,093.09/x - Step 3: Cross multiply
98,561.63x = 147,809.14 × 31,093.09 - Step 4: Simplify right side
98,561.63x = 4,595,842,445.59 - Step 5: Solve for x
x = 4,595,842,445.59/98,561.63 - Step 6: Final answer
x = 46,629.12
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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.