Finding the Fourth Proportional to 83,267.80, 124,901.70 and 27,863.80
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Solution
The fourth proportional to 83,267.80, 124,901.70 and 27,863.80 is: 41,795.70
Step by Step Solution
- Step 1: Write the proportion equation
83,267.80 : 124,901.70 = 27,863.80 : x - Step 2: Convert to fraction form
83,267.80/124,901.70 = 27,863.80/x - Step 3: Cross multiply
83,267.80x = 124,901.70 × 27,863.80 - Step 4: Simplify right side
83,267.80x = 3,480,235,988.46 - Step 5: Solve for x
x = 3,480,235,988.46/83,267.80 - Step 6: Final answer
x = 41,795.70
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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.