Finding the Fourth Proportional to 94,122.72, 129,889.58 and 51,683.99
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Solution
The fourth proportional to 94,122.72, 129,889.58 and 51,683.99 is: 71,324.02
Step by Step Solution
- Step 1: Write the proportion equation
94,122.72 : 129,889.58 = 51,683.99 : x - Step 2: Convert to fraction form
94,122.72/129,889.58 = 51,683.99/x - Step 3: Cross multiply
94,122.72x = 129,889.58 × 51,683.99 - Step 4: Simplify right side
94,122.72x = 6,713,210,845.96 - Step 5: Solve for x
x = 6,713,210,845.96/94,122.72 - Step 6: Final answer
x = 71,324.02
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1.5x scale
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.