Finding the Fourth Proportional to 89,024.43, 122,853.75 and 48,740.80
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Solution
The fourth proportional to 89,024.43, 122,853.75 and 48,740.80 is: 67,262.32
Step by Step Solution
- Step 1: Write the proportion equation
89,024.43 : 122,853.75 = 48,740.80 : x - Step 2: Convert to fraction form
89,024.43/122,853.75 = 48,740.80/x - Step 3: Cross multiply
89,024.43x = 122,853.75 × 48,740.80 - Step 4: Simplify right side
89,024.43x = 5,987,990,058 - Step 5: Solve for x
x = 5,987,990,058/89,024.43 - Step 6: Final answer
x = 67,262.32
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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.