Finding the Fourth Proportional to 73,310.80, 101,170.08 and 39,776.80
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Solution
The fourth proportional to 73,310.80, 101,170.08 and 39,776.80 is: 54,892.62
Step by Step Solution
- Step 1: Write the proportion equation
73,310.80 : 101,170.08 = 39,776.80 : x - Step 2: Convert to fraction form
73,310.80/101,170.08 = 39,776.80/x - Step 3: Cross multiply
73,310.80x = 101,170.08 × 39,776.80 - Step 4: Simplify right side
73,310.80x = 4,024,222,038.14 - Step 5: Solve for x
x = 4,024,222,038.14/73,310.80 - Step 6: Final answer
x = 54,892.62
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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.