Finding the Fourth Proportional to 76,737.36, 115,121.70 and 32,364.03
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Solution
The fourth proportional to 76,737.36, 115,121.70 and 32,364.03 is: 48,552.65
Step by Step Solution
- Step 1: Write the proportion equation
76,737.36 : 115,121.70 = 32,364.03 : x - Step 2: Convert to fraction form
76,737.36/115,121.70 = 32,364.03/x - Step 3: Cross multiply
76,737.36x = 115,121.70 × 32,364.03 - Step 4: Simplify right side
76,737.36x = 3,725,802,152.45 - Step 5: Solve for x
x = 3,725,802,152.45/76,737.36 - Step 6: Final answer
x = 48,552.65
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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.