Finding the Fourth Proportional to 73,318.85, 101,228.99 and 49,436.81
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Solution
The fourth proportional to 73,318.85, 101,228.99 and 49,436.81 is: 68,255.82
Step by Step Solution
- Step 1: Write the proportion equation
73,318.85 : 101,228.99 = 49,436.81 : x - Step 2: Convert to fraction form
73,318.85/101,228.99 = 49,436.81/x - Step 3: Cross multiply
73,318.85x = 101,228.99 × 49,436.81 - Step 4: Simplify right side
73,318.85x = 5,004,437,591.79 - Step 5: Solve for x
x = 5,004,437,591.79/73,318.85 - Step 6: Final answer
x = 68,255.82
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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.