Finding the Fourth Proportional to 80,295.12, 110,808.05 and 44,485.62
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Solution
The fourth proportional to 80,295.12, 110,808.05 and 44,485.62 is: 61,390.59
Step by Step Solution
- Step 1: Write the proportion equation
80,295.12 : 110,808.05 = 44,485.62 : x - Step 2: Convert to fraction form
80,295.12/110,808.05 = 44,485.62/x - Step 3: Cross multiply
80,295.12x = 110,808.05 × 44,485.62 - Step 4: Simplify right side
80,295.12x = 4,929,364,805.24 - Step 5: Solve for x
x = 4,929,364,805.24/80,295.12 - Step 6: Final answer
x = 61,390.59
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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.