Finding the Fourth Proportional to 73,798.91, 110,690.16 and 26,412.09
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Solution
The fourth proportional to 73,798.91, 110,690.16 and 26,412.09 is: 39,615.20
Step by Step Solution
- Step 1: Write the proportion equation
73,798.91 : 110,690.16 = 26,412.09 : x - Step 2: Convert to fraction form
73,798.91/110,690.16 = 26,412.09/x - Step 3: Cross multiply
73,798.91x = 110,690.16 × 26,412.09 - Step 4: Simplify right side
73,798.91x = 2,923,558,290.35 - Step 5: Solve for x
x = 2,923,558,290.35/73,798.91 - Step 6: Final answer
x = 39,615.20
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1.5x scale
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.