Finding the Fourth Proportional to 76,822.80, 115,207.80 and 37,354.48
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Solution
The fourth proportional to 76,822.80, 115,207.80 and 37,354.48 is: 56,018.88
Step by Step Solution
- Step 1: Write the proportion equation
76,822.80 : 115,207.80 = 37,354.48 : x - Step 2: Convert to fraction form
76,822.80/115,207.80 = 37,354.48/x - Step 3: Cross multiply
76,822.80x = 115,207.80 × 37,354.48 - Step 4: Simplify right side
76,822.80x = 4,303,527,460.94 - Step 5: Solve for x
x = 4,303,527,460.94/76,822.80 - Step 6: Final answer
x = 56,018.88
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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.