Finding the Fourth Proportional to 73,392.75, 101,282.00 and 39,858.75
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Solution
The fourth proportional to 73,392.75, 101,282.00 and 39,858.75 is: 55,005.08
Step by Step Solution
- Step 1: Write the proportion equation
73,392.75 : 101,282.00 = 39,858.75 : x - Step 2: Convert to fraction form
73,392.75/101,282.00 = 39,858.75/x - Step 3: Cross multiply
73,392.75x = 101,282.00 × 39,858.75 - Step 4: Simplify right side
73,392.75x = 4,036,973,718.21 - Step 5: Solve for x
x = 4,036,973,718.21/73,392.75 - Step 6: Final answer
x = 55,005.08
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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.