Finding the Fourth Proportional to 94,102.61, 129,852.97 and 55,855.63
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Solution
The fourth proportional to 94,102.61, 129,852.97 and 55,855.63 is: 77,075.64
Step by Step Solution
- Step 1: Write the proportion equation
94,102.61 : 129,852.97 = 55,855.63 : x - Step 2: Convert to fraction form
94,102.61/129,852.97 = 55,855.63/x - Step 3: Cross multiply
94,102.61x = 129,852.97 × 55,855.63 - Step 4: Simplify right side
94,102.61x = 7,253,019,053.16 - Step 5: Solve for x
x = 7,253,019,053.16/94,102.61 - Step 6: Final answer
x = 77,075.64
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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.