Finding the Fourth Proportional to 83,813.70, 125,866.35 and 44,447.70
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Solution
The fourth proportional to 83,813.70, 125,866.35 and 44,447.70 is: 66,748.87
Step by Step Solution
- Step 1: Write the proportion equation
83,813.70 : 125,866.35 = 44,447.70 : x - Step 2: Convert to fraction form
83,813.70/125,866.35 = 44,447.70/x - Step 3: Cross multiply
83,813.70x = 125,866.35 × 44,447.70 - Step 4: Simplify right side
83,813.70x = 5,594,469,764.90 - Step 5: Solve for x
x = 5,594,469,764.90/83,813.70 - Step 6: Final answer
x = 66,748.87
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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.