Finding the Fourth Proportional to 73,168.84, 100,973.01 and 39,634.84
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Solution
The fourth proportional to 73,168.84, 100,973.01 and 39,634.84 is: 54,696.09
Step by Step Solution
- Step 1: Write the proportion equation
73,168.84 : 100,973.01 = 39,634.84 : x - Step 2: Convert to fraction form
73,168.84/100,973.01 = 39,634.84/x - Step 3: Cross multiply
73,168.84x = 100,973.01 × 39,634.84 - Step 4: Simplify right side
73,168.84x = 4,002,049,095.67 - Step 5: Solve for x
x = 4,002,049,095.67/73,168.84 - Step 6: Final answer
x = 54,696.09
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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.