Finding the Fourth Proportional to 94,423.26, 130,306.68 and 51,984.39
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Solution
The fourth proportional to 94,423.26, 130,306.68 and 51,984.39 is: 71,739.88
Step by Step Solution
- Step 1: Write the proportion equation
94,423.26 : 130,306.68 = 51,984.39 : x - Step 2: Convert to fraction form
94,423.26/130,306.68 = 51,984.39/x - Step 3: Cross multiply
94,423.26x = 130,306.68 × 51,984.39 - Step 4: Simplify right side
94,423.26x = 6,773,913,272.73 - Step 5: Solve for x
x = 6,773,913,272.73/94,423.26 - Step 6: Final answer
x = 71,739.88
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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.