Finding the Fourth Proportional to 83,251.80, 124,877.70 and 27,847.80
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Solution
The fourth proportional to 83,251.80, 124,877.70 and 27,847.80 is: 41,771.70
Step by Step Solution
- Step 1: Write the proportion equation
83,251.80 : 124,877.70 = 27,847.80 : x - Step 2: Convert to fraction form
83,251.80/124,877.70 = 27,847.80/x - Step 3: Cross multiply
83,251.80x = 124,877.70 × 27,847.80 - Step 4: Simplify right side
83,251.80x = 3,477,569,214.06 - Step 5: Solve for x
x = 3,477,569,214.06/83,251.80 - Step 6: Final answer
x = 41,771.70
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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.