Finding the Fourth Proportional to 84,734.16, 116,943.12 and 47,010.84
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Solution
The fourth proportional to 84,734.16, 116,943.12 and 47,010.84 is: 64,880.50
Step by Step Solution
- Step 1: Write the proportion equation
84,734.16 : 116,943.12 = 47,010.84 : x - Step 2: Convert to fraction form
84,734.16/116,943.12 = 47,010.84/x - Step 3: Cross multiply
84,734.16x = 116,943.12 × 47,010.84 - Step 4: Simplify right side
84,734.16x = 5,497,594,303.42 - Step 5: Solve for x
x = 5,497,594,303.42/84,734.16 - Step 6: Final answer
x = 64,880.50
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1.5x scale
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.