Finding the Fourth Proportional to 76,772.94, 115,133.70 and 29,377.02
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Solution
The fourth proportional to 76,772.94, 115,133.70 and 29,377.02 is: 44,055.69
Step by Step Solution
- Step 1: Write the proportion equation
76,772.94 : 115,133.70 = 29,377.02 : x - Step 2: Convert to fraction form
76,772.94/115,133.70 = 29,377.02/x - Step 3: Cross multiply
76,772.94x = 115,133.70 × 29,377.02 - Step 4: Simplify right side
76,772.94x = 3,382,285,007.57 - Step 5: Solve for x
x = 3,382,285,007.57/76,772.94 - Step 6: Final answer
x = 44,055.69
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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.