Finding the Fourth Proportional to 77,037.40, 115,556.10 and 27,117.10
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Solution
The fourth proportional to 77,037.40, 115,556.10 and 27,117.10 is: 40,675.65
Step by Step Solution
- Step 1: Write the proportion equation
77,037.40 : 115,556.10 = 27,117.10 : x - Step 2: Convert to fraction form
77,037.40/115,556.10 = 27,117.10/x - Step 3: Cross multiply
77,037.40x = 115,556.10 × 27,117.10 - Step 4: Simplify right side
77,037.40x = 3,133,546,319.31 - Step 5: Solve for x
x = 3,133,546,319.31/77,037.40 - Step 6: Final answer
x = 40,675.65
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.