Finding the Fourth Proportional to 79,683.21, 119,466.23 and 48,104.55
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Solution
The fourth proportional to 79,683.21, 119,466.23 and 48,104.55 is: 72,121.45
Step by Step Solution
- Step 1: Write the proportion equation
79,683.21 : 119,466.23 = 48,104.55 : x - Step 2: Convert to fraction form
79,683.21/119,466.23 = 48,104.55/x - Step 3: Cross multiply
79,683.21x = 119,466.23 × 48,104.55 - Step 4: Simplify right side
79,683.21x = 5,746,868,993.82 - Step 5: Solve for x
x = 5,746,868,993.82/79,683.21 - Step 6: Final answer
x = 72,121.45
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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.