Finding the Fourth Proportional to 94,923.44, 130,990.20 and 51,902.12
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Solution
The fourth proportional to 94,923.44, 130,990.20 and 51,902.12 is: 71,622.66
Step by Step Solution
- Step 1: Write the proportion equation
94,923.44 : 130,990.20 = 51,902.12 : x - Step 2: Convert to fraction form
94,923.44/130,990.20 = 51,902.12/x - Step 3: Cross multiply
94,923.44x = 130,990.20 × 51,902.12 - Step 4: Simplify right side
94,923.44x = 6,798,669,079.22 - Step 5: Solve for x
x = 6,798,669,079.22/94,923.44 - Step 6: Final answer
x = 71,622.66
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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.