Finding the Fourth Proportional to 91,064.13, 125,733.23 and 75,995.73
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Solution
The fourth proportional to 91,064.13, 125,733.23 and 75,995.73 is: 104,928.12
Step by Step Solution
- Step 1: Write the proportion equation
91,064.13 : 125,733.23 = 75,995.73 : x - Step 2: Convert to fraction form
91,064.13/125,733.23 = 75,995.73/x - Step 3: Cross multiply
91,064.13x = 125,733.23 × 75,995.73 - Step 4: Simplify right side
91,064.13x = 9,555,188,219.13 - Step 5: Solve for x
x = 9,555,188,219.13/91,064.13 - Step 6: Final answer
x = 104,928.12
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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.