Finding the Fourth Proportional to 94,178.68, 129,961.16 and 51,736.28
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Solution
The fourth proportional to 94,178.68, 129,961.16 and 51,736.28 is: 71,393.09
Step by Step Solution
- Step 1: Write the proportion equation
94,178.68 : 129,961.16 = 51,736.28 : x - Step 2: Convert to fraction form
94,178.68/129,961.16 = 51,736.28/x - Step 3: Cross multiply
94,178.68x = 129,961.16 × 51,736.28 - Step 4: Simplify right side
94,178.68x = 6,723,706,962.88 - Step 5: Solve for x
x = 6,723,706,962.88/94,178.68 - Step 6: Final answer
x = 71,393.09
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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.