Finding the Fourth Proportional to 96,438.36, 133,087.08 and 55,044.53
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Solution
The fourth proportional to 96,438.36, 133,087.08 and 55,044.53 is: 75,962.67
Step by Step Solution
- Step 1: Write the proportion equation
96,438.36 : 133,087.08 = 55,044.53 : x - Step 2: Convert to fraction form
96,438.36/133,087.08 = 55,044.53/x - Step 3: Cross multiply
96,438.36x = 133,087.08 × 55,044.53 - Step 4: Simplify right side
96,438.36x = 7,325,715,102.24 - Step 5: Solve for x
x = 7,325,715,102.24/96,438.36 - Step 6: Final answer
x = 75,962.67
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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.