Finding the Fourth Proportional to 87,075.95, 120,166.19 and 48,843.99
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Solution
The fourth proportional to 87,075.95, 120,166.19 and 48,843.99 is: 67,405.48
Step by Step Solution
- Step 1: Write the proportion equation
87,075.95 : 120,166.19 = 48,843.99 : x - Step 2: Convert to fraction form
87,075.95/120,166.19 = 48,843.99/x - Step 3: Cross multiply
87,075.95x = 120,166.19 × 48,843.99 - Step 4: Simplify right side
87,075.95x = 5,869,395,938.48 - Step 5: Solve for x
x = 5,869,395,938.48/87,075.95 - Step 6: Final answer
x = 67,405.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.