Finding the Fourth Proportional to 79,010.97, 109,037.11 and 47,966.59
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Solution
The fourth proportional to 79,010.97, 109,037.11 and 47,966.59 is: 66,195.09
Step by Step Solution
- Step 1: Write the proportion equation
79,010.97 : 109,037.11 = 47,966.59 : x - Step 2: Convert to fraction form
79,010.97/109,037.11 = 47,966.59/x - Step 3: Cross multiply
79,010.97x = 109,037.11 × 47,966.59 - Step 4: Simplify right side
79,010.97x = 5,230,138,350.15 - Step 5: Solve for x
x = 5,230,138,350.15/79,010.97 - Step 6: Final answer
x = 66,195.09
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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.