Finding the Fourth Proportional to 94,351.99, 130,206.78 and 51,331.73
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Solution
The fourth proportional to 94,351.99, 130,206.78 and 51,331.73 is: 70,838.34
Step by Step Solution
- Step 1: Write the proportion equation
94,351.99 : 130,206.78 = 51,331.73 : x - Step 2: Convert to fraction form
94,351.99/130,206.78 = 51,331.73/x - Step 3: Cross multiply
94,351.99x = 130,206.78 × 51,331.73 - Step 4: Simplify right side
94,351.99x = 6,683,738,367.44 - Step 5: Solve for x
x = 6,683,738,367.44/94,351.99 - Step 6: Final answer
x = 70,838.34
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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.