Finding the Fourth Proportional to 83,207.80, 124,811.70 and 27,803.80
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Solution
The fourth proportional to 83,207.80, 124,811.70 and 27,803.80 is: 41,705.70
Step by Step Solution
- Step 1: Write the proportion equation
83,207.80 : 124,811.70 = 27,803.80 : x - Step 2: Convert to fraction form
83,207.80/124,811.70 = 27,803.80/x - Step 3: Cross multiply
83,207.80x = 124,811.70 × 27,803.80 - Step 4: Simplify right side
83,207.80x = 3,470,239,544.46 - Step 5: Solve for x
x = 3,470,239,544.46/83,207.80 - Step 6: Final answer
x = 41,705.70
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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.