Finding the Fourth Proportional to 83,703.99, 125,555.99 and 36,947.55
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Solution
The fourth proportional to 83,703.99, 125,555.99 and 36,947.55 is: 55,421.33
Step by Step Solution
- Step 1: Write the proportion equation
83,703.99 : 125,555.99 = 36,947.55 : x - Step 2: Convert to fraction form
83,703.99/125,555.99 = 36,947.55/x - Step 3: Cross multiply
83,703.99x = 125,555.99 × 36,947.55 - Step 4: Simplify right side
83,703.99x = 4,638,986,218.32 - Step 5: Solve for x
x = 4,638,986,218.32/83,703.99 - Step 6: Final answer
x = 55,421.33
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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.