Finding the Fourth Proportional to 79,757.08, 110,069.67 and 43,947.08
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Solution
The fourth proportional to 79,757.08, 110,069.67 and 43,947.08 is: 60,649.67
Step by Step Solution
- Step 1: Write the proportion equation
79,757.08 : 110,069.67 = 43,947.08 : x - Step 2: Convert to fraction form
79,757.08/110,069.67 = 43,947.08/x - Step 3: Cross multiply
79,757.08x = 110,069.67 × 43,947.08 - Step 4: Simplify right side
79,757.08x = 4,837,240,208.02 - Step 5: Solve for x
x = 4,837,240,208.02/79,757.08 - Step 6: Final answer
x = 60,649.67
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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.