Finding the Fourth Proportional to 98,566.17, 136,021.43 and 53,244.15
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Solution
The fourth proportional to 98,566.17, 136,021.43 and 53,244.15 is: 73,476.99
Step by Step Solution
- Step 1: Write the proportion equation
98,566.17 : 136,021.43 = 53,244.15 : x - Step 2: Convert to fraction form
98,566.17/136,021.43 = 53,244.15/x - Step 3: Cross multiply
98,566.17x = 136,021.43 × 53,244.15 - Step 4: Simplify right side
98,566.17x = 7,242,345,620.03 - Step 5: Solve for x
x = 7,242,345,620.03/98,566.17 - Step 6: Final answer
x = 73,476.99
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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.