Finding the Fourth Proportional to 89,884.36, 124,040.27 and 49,598.09
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Solution
The fourth proportional to 89,884.36, 124,040.27 and 49,598.09 is: 68,445.28
Step by Step Solution
- Step 1: Write the proportion equation
89,884.36 : 124,040.27 = 49,598.09 : x - Step 2: Convert to fraction form
89,884.36/124,040.27 = 49,598.09/x - Step 3: Cross multiply
89,884.36x = 124,040.27 × 49,598.09 - Step 4: Simplify right side
89,884.36x = 6,152,160,475.08 - Step 5: Solve for x
x = 6,152,160,475.08/89,884.36 - Step 6: Final answer
x = 68,445.28
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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.