Finding the Fourth Proportional to 80,377.18, 110,594.52 and 65,984.08
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Solution
The fourth proportional to 80,377.18, 110,594.52 and 65,984.08 is: 90,790.42
Step by Step Solution
- Step 1: Write the proportion equation
80,377.18 : 110,594.52 = 65,984.08 : x - Step 2: Convert to fraction form
80,377.18/110,594.52 = 65,984.08/x - Step 3: Cross multiply
80,377.18x = 110,594.52 × 65,984.08 - Step 4: Simplify right side
80,377.18x = 7,297,477,655.24 - Step 5: Solve for x
x = 7,297,477,655.24/80,377.18 - Step 6: Final answer
x = 90,790.42
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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.