Finding the Fourth Proportional to 94,243.62, 130,057.05 and 51,223.23
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Solution
The fourth proportional to 94,243.62, 130,057.05 and 51,223.23 is: 70,688.52
Step by Step Solution
- Step 1: Write the proportion equation
94,243.62 : 130,057.05 = 51,223.23 : x - Step 2: Convert to fraction form
94,243.62/130,057.05 = 51,223.23/x - Step 3: Cross multiply
94,243.62x = 130,057.05 × 51,223.23 - Step 4: Simplify right side
94,243.62x = 6,661,942,185.27 - Step 5: Solve for x
x = 6,661,942,185.27/94,243.62 - Step 6: Final answer
x = 70,688.52
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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.