Finding the Fourth Proportional to 83,947.21, 125,890.57 and 27,776.95
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Solution
The fourth proportional to 83,947.21, 125,890.57 and 27,776.95 is: 41,655.41
Step by Step Solution
- Step 1: Write the proportion equation
83,947.21 : 125,890.57 = 27,776.95 : x - Step 2: Convert to fraction form
83,947.21/125,890.57 = 27,776.95/x - Step 3: Cross multiply
83,947.21x = 125,890.57 × 27,776.95 - Step 4: Simplify right side
83,947.21x = 3,496,855,300.02 - Step 5: Solve for x
x = 3,496,855,300.02/83,947.21 - Step 6: Final answer
x = 41,655.41
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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.