Finding the Fourth Proportional to 73,332.75, 101,199.20 and 39,798.75
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Solution
The fourth proportional to 73,332.75, 101,199.20 and 39,798.75 is: 54,922.28
Step by Step Solution
- Step 1: Write the proportion equation
73,332.75 : 101,199.20 = 39,798.75 : x - Step 2: Convert to fraction form
73,332.75/101,199.20 = 39,798.75/x - Step 3: Cross multiply
73,332.75x = 101,199.20 × 39,798.75 - Step 4: Simplify right side
73,332.75x = 4,027,601,462.01 - Step 5: Solve for x
x = 4,027,601,462.01/73,332.75 - Step 6: Final answer
x = 54,922.28
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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.