Finding the Fourth Proportional to 113,026.24, 155,975.70 and 62,039.08
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Solution
The fourth proportional to 113,026.24, 155,975.70 and 62,039.08 is: 85,613.65
Step by Step Solution
- Step 1: Write the proportion equation
113,026.24 : 155,975.70 = 62,039.08 : x - Step 2: Convert to fraction form
113,026.24/155,975.70 = 62,039.08/x - Step 3: Cross multiply
113,026.24x = 155,975.70 × 62,039.08 - Step 4: Simplify right side
113,026.24x = 9,676,588,930.36 - Step 5: Solve for x
x = 9,676,588,930.36/113,026.24 - Step 6: Final answer
x = 85,613.65
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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.