Finding the Fourth Proportional to 75,831.84, 113,769.62 and 23,249.08
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Solution
The fourth proportional to 75,831.84, 113,769.62 and 23,249.08 is: 34,880.32
Step by Step Solution
- Step 1: Write the proportion equation
75,831.84 : 113,769.62 = 23,249.08 : x - Step 2: Convert to fraction form
75,831.84/113,769.62 = 23,249.08/x - Step 3: Cross multiply
75,831.84x = 113,769.62 × 23,249.08 - Step 4: Simplify right side
75,831.84x = 2,645,038,996.95 - Step 5: Solve for x
x = 2,645,038,996.95/75,831.84 - Step 6: Final answer
x = 34,880.32
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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.