Finding the Fourth Proportional to 104,631.87, 144,441.57 and 66,927.99
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Solution
The fourth proportional to 104,631.87, 144,441.57 and 66,927.99 is: 92,392.35
Step by Step Solution
- Step 1: Write the proportion equation
104,631.87 : 144,441.57 = 66,927.99 : x - Step 2: Convert to fraction form
104,631.87/144,441.57 = 66,927.99/x - Step 3: Cross multiply
104,631.87x = 144,441.57 × 66,927.99 - Step 4: Simplify right side
104,631.87x = 9,667,183,952.54 - Step 5: Solve for x
x = 9,667,183,952.54/104,631.87 - Step 6: Final answer
x = 92,392.35
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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.