Finding the Fourth Proportional to 93,682.36, 129,282.66 and 51,239.98
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Solution
The fourth proportional to 93,682.36, 129,282.66 and 51,239.98 is: 70,711.72
Step by Step Solution
- Step 1: Write the proportion equation
93,682.36 : 129,282.66 = 51,239.98 : x - Step 2: Convert to fraction form
93,682.36/129,282.66 = 51,239.98/x - Step 3: Cross multiply
93,682.36x = 129,282.66 × 51,239.98 - Step 4: Simplify right side
93,682.36x = 6,624,440,912.75 - Step 5: Solve for x
x = 6,624,440,912.75/93,682.36 - Step 6: Final answer
x = 70,711.72
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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.