Finding the Fourth Proportional to 76,966.24, 115,347.30 and 39,524.80
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Solution
The fourth proportional to 76,966.24, 115,347.30 and 39,524.80 is: 59,234.79
Step by Step Solution
- Step 1: Write the proportion equation
76,966.24 : 115,347.30 = 39,524.80 : x - Step 2: Convert to fraction form
76,966.24/115,347.30 = 39,524.80/x - Step 3: Cross multiply
76,966.24x = 115,347.30 × 39,524.80 - Step 4: Simplify right side
76,966.24x = 4,559,078,963.04 - Step 5: Solve for x
x = 4,559,078,963.04/76,966.24 - Step 6: Final answer
x = 59,234.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.