Finding the Fourth Proportional to 80,243.06, 110,735.01 and 44,432.99
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Solution
The fourth proportional to 80,243.06, 110,735.01 and 44,432.99 is: 61,317.29
Step by Step Solution
- Step 1: Write the proportion equation
80,243.06 : 110,735.01 = 44,432.99 : x - Step 2: Convert to fraction form
80,243.06/110,735.01 = 44,432.99/x - Step 3: Cross multiply
80,243.06x = 110,735.01 × 44,432.99 - Step 4: Simplify right side
80,243.06x = 4,920,287,038.30 - Step 5: Solve for x
x = 4,920,287,038.30/80,243.06 - Step 6: Final answer
x = 61,317.29
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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.