Finding the Fourth Proportional to 91,529.36, 126,295.84 and 51,244.80
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Solution
The fourth proportional to 91,529.36, 126,295.84 and 51,244.80 is: 70,709.61
Step by Step Solution
- Step 1: Write the proportion equation
91,529.36 : 126,295.84 = 51,244.80 : x - Step 2: Convert to fraction form
91,529.36/126,295.84 = 51,244.80/x - Step 3: Cross multiply
91,529.36x = 126,295.84 × 51,244.80 - Step 4: Simplify right side
91,529.36x = 6,472,005,061.63 - Step 5: Solve for x
x = 6,472,005,061.63/91,529.36 - Step 6: Final answer
x = 70,709.61
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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.