Finding the Fourth Proportional to 95,072.98, 142,749.63 and 53,035.18
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Solution
The fourth proportional to 95,072.98, 142,749.63 and 53,035.18 is: 79,630.96
Step by Step Solution
- Step 1: Write the proportion equation
95,072.98 : 142,749.63 = 53,035.18 : x - Step 2: Convert to fraction form
95,072.98/142,749.63 = 53,035.18/x - Step 3: Cross multiply
95,072.98x = 142,749.63 × 53,035.18 - Step 4: Simplify right side
95,072.98x = 7,570,752,321.98 - Step 5: Solve for x
x = 7,570,752,321.98/95,072.98 - Step 6: Final answer
x = 79,630.96
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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.