Finding the Fourth Proportional to 94,146.84, 129,924.90 and 51,706.26
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Solution
The fourth proportional to 94,146.84, 129,924.90 and 51,706.26 is: 71,355.88
Step by Step Solution
- Step 1: Write the proportion equation
94,146.84 : 129,924.90 = 51,706.26 : x - Step 2: Convert to fraction form
94,146.84/129,924.90 = 51,706.26/x - Step 3: Cross multiply
94,146.84x = 129,924.90 × 51,706.26 - Step 4: Simplify right side
94,146.84x = 6,717,930,659.87 - Step 5: Solve for x
x = 6,717,930,659.87/94,146.84 - Step 6: Final answer
x = 71,355.88
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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.