Finding the Fourth Proportional to 73,343.62, 101,214.39 and 39,809.62
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Solution
The fourth proportional to 73,343.62, 101,214.39 and 39,809.62 is: 54,937.38
Step by Step Solution
- Step 1: Write the proportion equation
73,343.62 : 101,214.39 = 39,809.62 : x - Step 2: Convert to fraction form
73,343.62/101,214.39 = 39,809.62/x - Step 3: Cross multiply
73,343.62x = 101,214.39 × 39,809.62 - Step 4: Simplify right side
73,343.62x = 4,029,306,404.43 - Step 5: Solve for x
x = 4,029,306,404.43/73,343.62 - Step 6: Final answer
x = 54,937.38
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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.