Finding the Fourth Proportional to 80,014.38, 110,420.76 and 44,203.62
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Solution
The fourth proportional to 80,014.38, 110,420.76 and 44,203.62 is: 61,001.50
Step by Step Solution
- Step 1: Write the proportion equation
80,014.38 : 110,420.76 = 44,203.62 : x - Step 2: Convert to fraction form
80,014.38/110,420.76 = 44,203.62/x - Step 3: Cross multiply
80,014.38x = 110,420.76 × 44,203.62 - Step 4: Simplify right side
80,014.38x = 4,880,997,315.15 - Step 5: Solve for x
x = 4,880,997,315.15/80,014.38 - Step 6: Final answer
x = 61,001.50
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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.