Finding the Fourth Proportional to 73,126.99, 109,690.48 and 17,722.99
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Solution
The fourth proportional to 73,126.99, 109,690.48 and 17,722.99 is: 26,584.48
Step by Step Solution
- Step 1: Write the proportion equation
73,126.99 : 109,690.48 = 17,722.99 : x - Step 2: Convert to fraction form
73,126.99/109,690.48 = 17,722.99/x - Step 3: Cross multiply
73,126.99x = 109,690.48 × 17,722.99 - Step 4: Simplify right side
73,126.99x = 1,944,043,187.33 - Step 5: Solve for x
x = 1,944,043,187.33/73,126.99 - Step 6: Final answer
x = 26,584.48
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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.