Finding the Fourth Proportional to 73,976.05, 101,966.99 and 57,814.82
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Solution
The fourth proportional to 73,976.05, 101,966.99 and 57,814.82 is: 79,690.70
Step by Step Solution
- Step 1: Write the proportion equation
73,976.05 : 101,966.99 = 57,814.82 : x - Step 2: Convert to fraction form
73,976.05/101,966.99 = 57,814.82/x - Step 3: Cross multiply
73,976.05x = 101,966.99 × 57,814.82 - Step 4: Simplify right side
73,976.05x = 5,895,202,662.96 - Step 5: Solve for x
x = 5,895,202,662.96/73,976.05 - Step 6: Final answer
x = 79,690.70
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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.