Finding the Fourth Proportional to 80,075.66, 110,502.80 and 44,267.18
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Solution
The fourth proportional to 80,075.66, 110,502.80 and 44,267.18 is: 61,087.82
Step by Step Solution
- Step 1: Write the proportion equation
80,075.66 : 110,502.80 = 44,267.18 : x - Step 2: Convert to fraction form
80,075.66/110,502.80 = 44,267.18/x - Step 3: Cross multiply
80,075.66x = 110,502.80 × 44,267.18 - Step 4: Simplify right side
80,075.66x = 4,891,647,338.10 - Step 5: Solve for x
x = 4,891,647,338.10/80,075.66 - Step 6: Final answer
x = 61,087.82
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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.