Finding the Fourth Proportional to 76,825.01, 115,159.11 and 48,765.80
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Solution
The fourth proportional to 76,825.01, 115,159.11 and 48,765.80 is: 73,098.93
Step by Step Solution
- Step 1: Write the proportion equation
76,825.01 : 115,159.11 = 48,765.80 : x - Step 2: Convert to fraction form
76,825.01/115,159.11 = 48,765.80/x - Step 3: Cross multiply
76,825.01x = 115,159.11 × 48,765.80 - Step 4: Simplify right side
76,825.01x = 5,615,826,126.44 - Step 5: Solve for x
x = 5,615,826,126.44/76,825.01 - Step 6: Final answer
x = 73,098.93
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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.