Finding the Fourth Proportional to 91,437.44, 126,192.66 and 57,471.50
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Solution
The fourth proportional to 91,437.44, 126,192.66 and 57,471.50 is: 79,316.32
Step by Step Solution
- Step 1: Write the proportion equation
91,437.44 : 126,192.66 = 57,471.50 : x - Step 2: Convert to fraction form
91,437.44/126,192.66 = 57,471.50/x - Step 3: Cross multiply
91,437.44x = 126,192.66 × 57,471.50 - Step 4: Simplify right side
91,437.44x = 7,252,481,459.19 - Step 5: Solve for x
x = 7,252,481,459.19/91,437.44 - Step 6: Final answer
x = 79,316.32
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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.