Finding the Fourth Proportional to 80,772.60, 121,110.30 and 41,406.60
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Solution
The fourth proportional to 80,772.60, 121,110.30 and 41,406.60 is: 62,084.99
Step by Step Solution
- Step 1: Write the proportion equation
80,772.60 : 121,110.30 = 41,406.60 : x - Step 2: Convert to fraction form
80,772.60/121,110.30 = 41,406.60/x - Step 3: Cross multiply
80,772.60x = 121,110.30 × 41,406.60 - Step 4: Simplify right side
80,772.60x = 5,014,765,747.98 - Step 5: Solve for x
x = 5,014,765,747.98/80,772.60 - Step 6: Final answer
x = 62,084.99
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1.5x scale
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.