Finding the Fourth Proportional to 91,716.12, 137,574.18 and 60,544.08
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Solution
The fourth proportional to 91,716.12, 137,574.18 and 60,544.08 is: 90,816.12
Step by Step Solution
- Step 1: Write the proportion equation
91,716.12 : 137,574.18 = 60,544.08 : x - Step 2: Convert to fraction form
91,716.12/137,574.18 = 60,544.08/x - Step 3: Cross multiply
91,716.12x = 137,574.18 × 60,544.08 - Step 4: Simplify right side
91,716.12x = 8,329,302,159.85 - Step 5: Solve for x
x = 8,329,302,159.85/91,716.12 - Step 6: Final answer
x = 90,816.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.