Finding the Fourth Proportional to 91,210.48, 125,891.42 and 53,496.88
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Solution
The fourth proportional to 91,210.48, 125,891.42 and 53,496.88 is: 73,837.99
Step by Step Solution
- Step 1: Write the proportion equation
91,210.48 : 125,891.42 = 53,496.88 : x - Step 2: Convert to fraction form
91,210.48/125,891.42 = 53,496.88/x - Step 3: Cross multiply
91,210.48x = 125,891.42 × 53,496.88 - Step 4: Simplify right side
91,210.48x = 6,734,798,188.77 - Step 5: Solve for x
x = 6,734,798,188.77/91,210.48 - Step 6: Final answer
x = 73,837.99
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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.