Finding the Fourth Proportional to 80,927.74, 121,391.61 and 34,181.02
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Solution
The fourth proportional to 80,927.74, 121,391.61 and 34,181.02 is: 51,271.53
Step by Step Solution
- Step 1: Write the proportion equation
80,927.74 : 121,391.61 = 34,181.02 : x - Step 2: Convert to fraction form
80,927.74/121,391.61 = 34,181.02/x - Step 3: Cross multiply
80,927.74x = 121,391.61 × 34,181.02 - Step 4: Simplify right side
80,927.74x = 4,149,289,049.24 - Step 5: Solve for x
x = 4,149,289,049.24/80,927.74 - Step 6: Final answer
x = 51,271.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.