Finding the Fourth Proportional to 91,057.68, 125,464.68 and 61,197.84
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Solution
The fourth proportional to 91,057.68, 125,464.68 and 61,197.84 is: 84,322.02
Step by Step Solution
- Step 1: Write the proportion equation
91,057.68 : 125,464.68 = 61,197.84 : x - Step 2: Convert to fraction form
91,057.68/125,464.68 = 61,197.84/x - Step 3: Cross multiply
91,057.68x = 125,464.68 × 61,197.84 - Step 4: Simplify right side
91,057.68x = 7,678,167,412.29 - Step 5: Solve for x
x = 7,678,167,412.29/91,057.68 - Step 6: Final answer
x = 84,322.02
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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.